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Your Vehicle // Porsche // Macan (95B) MK2 2019-2021 // Any
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SOUL Performance Products
SOUL Performance Products for Porsche
SOUL Performance Products deliver premium exhausts, headers, and performance upgrades for Porsche and other high-end sports cars. Built with aerospace-grade precision and backed by a lifetime warranty, SOUL parts enhance sound, power, and reliability—perfect for both street and track
A Quick Look at SOUL Performance Products
SOUL Performance Products information on this page is based on details supplied by the manufacturer or distributor, plus any OE references provided with the parts.
Choosing the Right Fit for Your Porsche
Where SOUL Performance Products is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side/position, and connector type where relevant.
- Typical reasons to choose SOUL include upgrading to a high-quality exhaust with a well-judged sound, stronger fabrication, reduced weight, and better response, with systems designed around Porsche fitment and heat management.
- Common issues to watch for on any performance exhaust setup include drone (depending on configuration), rattles from loose clamps or contact with heatshields, exhaust leaks, and fitment problems caused by worn mounts or reusing old hardware.
- Practical tip: configuration strongly affects loudness; valved and/or resonated systems are usually more daily-driver friendly.
- Practical tip: replace mounts and clamps where possible, check clearances both cold and hot, and re-torque fixings after a few heat cycles.
Browse by Category
If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.
Exhausts — Exhaust systems are usually changed to replace corroded or leaking parts, to alter sound, reduce weight, or improve flow for tuned engines. For Porsche models this often means choosing a system that delivers the desired tone without excessive drone, and that matches your emissions and fitment requirements.
- When changing an exhaust, it is wise to budget for fresh gaskets, clamps, mounts, and any rusted fixings to avoid leaks and rattles.
- Check local regulations and MOT/emissions requirements before choosing systems that alter catalytic converters or overall noise level.
Sport Silencers / Mufflers — Sport silencers are typically fitted to sharpen throttle response slightly and, more noticeably, to increase exhaust character. Porsche owners use this category to find a sportier, more engaging sound while aiming to keep drone and long-distance cruising noise under control.
- To minimise drone, choose a design known for good acoustic tuning and match it carefully with the rest of the exhaust system.
- If you are adding other flow-improving parts later, consider how the silencer choice will work with those changes.
Switchable Silencers / Mufflers — Switchable silencers use valves to give a quieter mode for neighbourhoods and motorways, with a louder, freer-flowing mode on demand. They are popular on Porsches that need to balance early-morning starts and long trips with the desire for a more aggressive sound when conditions allow.
- Plan the full valve control setup in advance, including any vacuum lines, solenoids, or electronic controllers needed for retrofit applications.
- Periodically check valve mechanisms and actuators for sticking, rattles, or leaks so both quiet and loud modes work correctly.
All Silencers / Mufflers — This category brings together standard, sport, and switchable layouts so you can compare options when you are unsure which configuration your Porsche currently has. Owners use it when tackling corrosion, unwanted noise or drone, or when deciding how far to upgrade sound and character.
- Identify your existing layout by counting inlets/outlets and checking pipe diameters and hanger positions before ordering replacements.
- When refreshing silencers, also inspect hangers, brackets, and clamps so the new system sits correctly and avoids vibration or contact with the bodywork.
SOUL Performance Products — SOUL Performance Products offer high-quality exhaust systems, headers, and performance upgrades engineered for Porsche and other premium sports cars. Each component is built with aerospace-grade precision, with attention to tone, fitment, and heat management for road and track use.
- Cat-back SOUL systems generally do not require engine tuning; changing cats or headers may benefit from, or require, appropriate mapping depending on the overall setup.
- When fitting SOUL components upstream (cats/headers), ensure sensor and catalyst compatibility is correct for your specific Porsche model and emissions requirements.
Explore SOUL Performance Products at Design911
View the current SOUL Performance Products range for Porsche at Design911, then filter by model and category to narrow down to the right parts.
The SOUL Performance Competition Package is a premium aftermarket exhaust upgrade developed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Kit Includes:
- Valved Exhaust System
- Competition Headers
Designed for the naturally aspirated 3.8L flat-six engine, this comprehensive performance package combines SOUL Performance Competition Headers with its electronically controlled Valved Exhaust System.
The package replaces the original exhaust manifold and catalytic converter assemblies, together with the factory rear exhaust system, to provide a high-flow exhaust arrangement from the cylinder heads to the exhaust outlets.
Unlike a conventional rear silencer upgrade, the Competition Package addresses both the exhaust gas collection and final exhaust delivery stages.
The Competition Headers incorporate carefully designed runners, smooth-radius tubing, port-matched flanges and optimised collectors to improve exhaust gas movement away from the engine.
These headers eliminate the original catalytic converters, reducing exhaust restriction and creating a freer-flowing exhaust path.
The accompanying Valved Exhaust System uses mandrel-bent stainless steel tubing, specially developed silencers and electronically operated exhaust valves.
With the exhaust valves closed, gases pass through the sound-absorbing silencers, producing a controlled exhaust note intended to minimise unwanted cabin drone.
With the valves open, exhaust gases follow a more direct flow path through the X-pipe and rear exhaust, creating a noticeably louder and more aggressive flat-six soundtrack.
This selectable operation makes it possible to enjoy different exhaust characteristics depending on the driving situation.
The system is manufactured using T304L stainless steel, selected for its durability, corrosion resistance and suitability for demanding exhaust conditions.
The Competition Package is designed for direct bolt-on installation on compatible vehicles, with manufacturer-supplied fitting instructions.
SOUL Performance reports third-party dynamometer testing showing significant performance gains when the package is combined with appropriate ECU tuning.
The result is a complete performance exhaust upgrade intended to enhance engine response, maximise exhaust flow potential and deliver a distinctive motorsport-inspired sound.
Ideal for Porsche enthusiasts seeking increased performance, improved exhaust character and a comprehensive exhaust upgrade for track-focused applications.
What This Product Does:
The Competition Package replaces major sections of the
original Porsche exhaust system to improve exhaust flow and provide selectable
exhaust sound characteristics.
The system consists of two main components.
1. SOUL Performance Competition Headers
The Competition Headers collect exhaust gases as they leave the engine's cylinder heads.
They replace the original manifold and catalytic converter assemblies with stainless steel headers designed to reduce exhaust restriction.
Their functions include:
- Directing exhaust gases away from the cylinder heads.
- Providing smoother exhaust runner geometry.
- Supporting improved exhaust scavenging.
- Reducing restrictions associated with the original catalyst assemblies.
- Supporting improved throttle response.
- Increasing engine performance potential.
- Enhancing the natural exhaust sound of the 3.8L flat-six engine.
- Maintaining the correct mounting arrangement for the compatible engine.
The headers use port-matched flanges, smooth-radius primary runners and optimised collectors to support efficient gas flow.
2. SOUL Performance Valved Exhaust System
The Valved Exhaust System receives exhaust gases from the headers and directs them through the rear exhaust.
It incorporates electronically operated valves that provide different sound and flow characteristics.
Its functions include:
- Directing exhaust gases towards the rear outlets.
- Providing selectable exhaust sound modes.
- Reducing unwanted drone when the valves are closed.
- Producing a more aggressive sound when the valves are open.
- Supporting efficient flow through the rear exhaust.
- Maintaining compatibility with the appropriate factory valve-control system.
- Providing a durable stainless steel silencer arrangement.
- Enhancing the vehicle's rear appearance through custom exhaust tips.
Why Upgrading Matters:
The SOUL Performance Competition Package provides a
comprehensive exhaust upgrade for drivers seeking increased performance and a
more engaging engine sound.
Improved Exhaust Flow
- The Competition Headers remove the original catalytic converters and use optimised exhaust runners and collectors.
- This reduces restrictions in the exhaust path and supports improved engine breathing.
Increased Performance Potential
SOUL Performance reports third-party testing on a Dyno Dynamics dynamometer.
The manufacturer states that testing produced:
- Approximately 40 wheel horsepower improvement in a tuned configuration.
- Approximately 20 wheel horsepower incremental improvement attributed to the Competition Headers after the ECU tune had been applied.
These gains relate to the tested vehicle and configuration.
Results will vary according to engine condition, ECU calibration and other modifications.
Improved Throttle Response
- The freer-flowing exhaust arrangement is intended to improve the engine's response to accelerator input.
- This can make the naturally aspirated flat-six feel more responsive during acceleration, particularly at higher engine speeds.
Enhanced Flat-Six Exhaust Sound
- The package is designed to reveal more of the engine's natural exhaust character.
- The Competition Headers and Valved Exhaust System work together to create a distinctive sound, particularly when the valves are open.
Selectable Exhaust Characteristics
- Unlike a permanently unrestricted rear exhaust, the valved system allows the driver to select between different sound modes.
- This offers additional flexibility for owners who use their vehicles in different driving environments.
Durable Stainless Steel Construction
- The headers and rear exhaust use T304L stainless steel.
- The construction is designed to withstand repeated heating and cooling cycles, exhaust vibration and demanding driving conditions.
Complete Exhaust Upgrade
- The package includes both Competition Headers and the Valved Exhaust System.
- This provides an integrated aftermarket solution rather than requiring separate component selection.
Motorsport-Focused Performance
- The Competition Package is intended for drivers seeking a performance-oriented exhaust setup.
- Its catalyst-free construction and high-flow design make it particularly relevant to off-road and motorsport applications.
Manufacturer Warranty
- SOUL Performance offers a lifetime warranty for its exhaust components, subject to the manufacturer's published terms and conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.COPKG.SLTB
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
The SOUL Performance Competition Package is a premium aftermarket exhaust upgrade developed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Kit Includes:
- Valved Exhaust System
- Competition Headers
Designed for the naturally aspirated 3.8L flat-six engine, this comprehensive performance package combines SOUL Performance Competition Headers with its electronically controlled Valved Exhaust System.
The package replaces the original exhaust manifold and catalytic converter assemblies, together with the factory rear exhaust system, to provide a high-flow exhaust arrangement from the cylinder heads to the exhaust outlets.
Unlike a conventional rear silencer upgrade, the Competition Package addresses both the exhaust gas collection and final exhaust delivery stages.
The Competition Headers incorporate carefully designed runners, smooth-radius tubing, port-matched flanges and optimised collectors to improve exhaust gas movement away from the engine.
These headers eliminate the original catalytic converters, reducing exhaust restriction and creating a freer-flowing exhaust path.
The accompanying Valved Exhaust System uses mandrel-bent stainless steel tubing, specially developed silencers and electronically operated exhaust valves.
With the exhaust valves closed, gases pass through the sound-absorbing silencers, producing a controlled exhaust note intended to minimise unwanted cabin drone.
With the valves open, exhaust gases follow a more direct flow path through the X-pipe and rear exhaust, creating a noticeably louder and more aggressive flat-six soundtrack.
This selectable operation makes it possible to enjoy different exhaust characteristics depending on the driving situation.
The system is manufactured using T304L stainless steel, selected for its durability, corrosion resistance and suitability for demanding exhaust conditions.
The Competition Package is designed for direct bolt-on installation on compatible vehicles, with manufacturer-supplied fitting instructions.
SOUL Performance reports third-party dynamometer testing showing significant performance gains when the package is combined with appropriate ECU tuning.
The result is a complete performance exhaust upgrade intended to enhance engine response, maximise exhaust flow potential and deliver a distinctive motorsport-inspired sound.
Ideal for Porsche enthusiasts seeking increased performance, improved exhaust character and a comprehensive exhaust upgrade for track-focused applications.
What This Product Does:
The Competition Package replaces major sections of the
original Porsche exhaust system to improve exhaust flow and provide selectable
exhaust sound characteristics.
The system consists of two main components.
1. SOUL Performance Competition Headers
The Competition Headers collect exhaust gases as they leave the engine's cylinder heads.
They replace the original manifold and catalytic converter assemblies with stainless steel headers designed to reduce exhaust restriction.
Their functions include:
- Directing exhaust gases away from the cylinder heads.
- Providing smoother exhaust runner geometry.
- Supporting improved exhaust scavenging.
- Reducing restrictions associated with the original catalyst assemblies.
- Supporting improved throttle response.
- Increasing engine performance potential.
- Enhancing the natural exhaust sound of the 3.8L flat-six engine.
- Maintaining the correct mounting arrangement for the compatible engine.
The headers use port-matched flanges, smooth-radius primary runners and optimised collectors to support efficient gas flow.
2. SOUL Performance Valved Exhaust System
The Valved Exhaust System receives exhaust gases from the headers and directs them through the rear exhaust.
It incorporates electronically operated valves that provide different sound and flow characteristics.
Its functions include:
- Directing exhaust gases towards the rear outlets.
- Providing selectable exhaust sound modes.
- Reducing unwanted drone when the valves are closed.
- Producing a more aggressive sound when the valves are open.
- Supporting efficient flow through the rear exhaust.
- Maintaining compatibility with the appropriate factory valve-control system.
- Providing a durable stainless steel silencer arrangement.
- Enhancing the vehicle's rear appearance through custom exhaust tips.
Why Upgrading Matters:
The SOUL Performance Competition Package provides a
comprehensive exhaust upgrade for drivers seeking increased performance and a
more engaging engine sound.
Improved Exhaust Flow
- The Competition Headers remove the original catalytic converters and use optimised exhaust runners and collectors.
- This reduces restrictions in the exhaust path and supports improved engine breathing.
Increased Performance Potential
SOUL Performance reports third-party testing on a Dyno Dynamics dynamometer.
The manufacturer states that testing produced:
- Approximately 40 wheel horsepower improvement in a tuned configuration.
- Approximately 20 wheel horsepower incremental improvement attributed to the Competition Headers after the ECU tune had been applied.
These gains relate to the tested vehicle and configuration.
Results will vary according to engine condition, ECU calibration and other modifications.
Improved Throttle Response
- The freer-flowing exhaust arrangement is intended to improve the engine's response to accelerator input.
- This can make the naturally aspirated flat-six feel more responsive during acceleration, particularly at higher engine speeds.
Enhanced Flat-Six Exhaust Sound
- The package is designed to reveal more of the engine's natural exhaust character.
- The Competition Headers and Valved Exhaust System work together to create a distinctive sound, particularly when the valves are open.
Selectable Exhaust Characteristics
- Unlike a permanently unrestricted rear exhaust, the valved system allows the driver to select between different sound modes.
- This offers additional flexibility for owners who use their vehicles in different driving environments.
Durable Stainless Steel Construction
- The headers and rear exhaust use T304L stainless steel.
- The construction is designed to withstand repeated heating and cooling cycles, exhaust vibration and demanding driving conditions.
Complete Exhaust Upgrade
- The package includes both Competition Headers and the Valved Exhaust System.
- This provides an integrated aftermarket solution rather than requiring separate component selection.
Motorsport-Focused Performance
- The Competition Package is intended for drivers seeking a performance-oriented exhaust setup.
- Its catalyst-free construction and high-flow design make it particularly relevant to off-road and motorsport applications.
Manufacturer Warranty
- SOUL Performance offers a lifetime warranty for its exhaust components, subject to the manufacturer's published terms and conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.COPKG.SLTBR
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
The SOUL Performance Competition Package is a premium aftermarket exhaust upgrade developed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Kit Includes:
- Valved Exhaust System
- Competition Headers
Designed for the naturally aspirated 3.8L flat-six engine, this comprehensive performance package combines SOUL Performance Competition Headers with its electronically controlled Valved Exhaust System.
The package replaces the original exhaust manifold and catalytic converter assemblies, together with the factory rear exhaust system, to provide a high-flow exhaust arrangement from the cylinder heads to the exhaust outlets.
Unlike a conventional rear silencer upgrade, the Competition Package addresses both the exhaust gas collection and final exhaust delivery stages.
The Competition Headers incorporate carefully designed runners, smooth-radius tubing, port-matched flanges and optimised collectors to improve exhaust gas movement away from the engine.
These headers eliminate the original catalytic converters, reducing exhaust restriction and creating a freer-flowing exhaust path.
The accompanying Valved Exhaust System uses mandrel-bent stainless steel tubing, specially developed silencers and electronically operated exhaust valves.
With the exhaust valves closed, gases pass through the sound-absorbing silencers, producing a controlled exhaust note intended to minimise unwanted cabin drone.
With the valves open, exhaust gases follow a more direct flow path through the X-pipe and rear exhaust, creating a noticeably louder and more aggressive flat-six soundtrack.
This selectable operation makes it possible to enjoy different exhaust characteristics depending on the driving situation.
The system is manufactured using T304L stainless steel, selected for its durability, corrosion resistance and suitability for demanding exhaust conditions.
The Competition Package is designed for direct bolt-on installation on compatible vehicles, with manufacturer-supplied fitting instructions.
SOUL Performance reports third-party dynamometer testing showing significant performance gains when the package is combined with appropriate ECU tuning.
The result is a complete performance exhaust upgrade intended to enhance engine response, maximise exhaust flow potential and deliver a distinctive motorsport-inspired sound.
Ideal for Porsche enthusiasts seeking increased performance, improved exhaust character and a comprehensive exhaust upgrade for track-focused applications.
What This Product Does:
The Competition Package replaces major sections of the
original Porsche exhaust system to improve exhaust flow and provide selectable
exhaust sound characteristics.
The system consists of two main components.
1. SOUL Performance Competition Headers
The Competition Headers collect exhaust gases as they leave the engine's cylinder heads.
They replace the original manifold and catalytic converter assemblies with stainless steel headers designed to reduce exhaust restriction.
Their functions include:
- Directing exhaust gases away from the cylinder heads.
- Providing smoother exhaust runner geometry.
- Supporting improved exhaust scavenging.
- Reducing restrictions associated with the original catalyst assemblies.
- Supporting improved throttle response.
- Increasing engine performance potential.
- Enhancing the natural exhaust sound of the 3.8L flat-six engine.
- Maintaining the correct mounting arrangement for the compatible engine.
The headers use port-matched flanges, smooth-radius primary runners and optimised collectors to support efficient gas flow.
2. SOUL Performance Valved Exhaust System
The Valved Exhaust System receives exhaust gases from the headers and directs them through the rear exhaust.
It incorporates electronically operated valves that provide different sound and flow characteristics.
Its functions include:
- Directing exhaust gases towards the rear outlets.
- Providing selectable exhaust sound modes.
- Reducing unwanted drone when the valves are closed.
- Producing a more aggressive sound when the valves are open.
- Supporting efficient flow through the rear exhaust.
- Maintaining compatibility with the appropriate factory valve-control system.
- Providing a durable stainless steel silencer arrangement.
- Enhancing the vehicle's rear appearance through custom exhaust tips.
Why Upgrading Matters:
The SOUL Performance Competition Package provides a
comprehensive exhaust upgrade for drivers seeking increased performance and a
more engaging engine sound.
Improved Exhaust Flow
- The Competition Headers remove the original catalytic converters and use optimised exhaust runners and collectors.
- This reduces restrictions in the exhaust path and supports improved engine breathing.
Increased Performance Potential
SOUL Performance reports third-party testing on a Dyno Dynamics dynamometer.
The manufacturer states that testing produced:
- Approximately 40 wheel horsepower improvement in a tuned configuration.
- Approximately 20 wheel horsepower incremental improvement attributed to the Competition Headers after the ECU tune had been applied.
These gains relate to the tested vehicle and configuration.
Results will vary according to engine condition, ECU calibration and other modifications.
Improved Throttle Response
- The freer-flowing exhaust arrangement is intended to improve the engine's response to accelerator input.
- This can make the naturally aspirated flat-six feel more responsive during acceleration, particularly at higher engine speeds.
Enhanced Flat-Six Exhaust Sound
- The package is designed to reveal more of the engine's natural exhaust character.
- The Competition Headers and Valved Exhaust System work together to create a distinctive sound, particularly when the valves are open.
Selectable Exhaust Characteristics
- Unlike a permanently unrestricted rear exhaust, the valved system allows the driver to select between different sound modes.
- This offers additional flexibility for owners who use their vehicles in different driving environments.
Durable Stainless Steel Construction
- The headers and rear exhaust use T304L stainless steel.
- The construction is designed to withstand repeated heating and cooling cycles, exhaust vibration and demanding driving conditions.
Complete Exhaust Upgrade
- The package includes both Competition Headers and the Valved Exhaust System.
- This provides an integrated aftermarket solution rather than requiring separate component selection.
Motorsport-Focused Performance
- The Competition Package is intended for drivers seeking a performance-oriented exhaust setup.
- Its catalyst-free construction and high-flow design make it particularly relevant to off-road and motorsport applications.
Manufacturer Warranty
- SOUL Performance offers a lifetime warranty for its exhaust components, subject to the manufacturer's published terms and conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.COPKG.SLT
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
The SOUL Performance Competition Package is a premium aftermarket exhaust upgrade developed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Kit Includes:
- Valved Exhaust System
- Competition Headers
Designed for the naturally aspirated 3.8L flat-six engine, this comprehensive performance package combines SOUL Performance Competition Headers with its electronically controlled Valved Exhaust System.
The package replaces the original exhaust manifold and catalytic converter assemblies, together with the factory rear exhaust system, to provide a high-flow exhaust arrangement from the cylinder heads to the exhaust outlets.
Unlike a conventional rear silencer upgrade, the Competition Package addresses both the exhaust gas collection and final exhaust delivery stages.
The Competition Headers incorporate carefully designed runners, smooth-radius tubing, port-matched flanges and optimised collectors to improve exhaust gas movement away from the engine.
These headers eliminate the original catalytic converters, reducing exhaust restriction and creating a freer-flowing exhaust path.
The accompanying Valved Exhaust System uses mandrel-bent stainless steel tubing, specially developed silencers and electronically operated exhaust valves.
With the exhaust valves closed, gases pass through the sound-absorbing silencers, producing a controlled exhaust note intended to minimise unwanted cabin drone.
With the valves open, exhaust gases follow a more direct flow path through the X-pipe and rear exhaust, creating a noticeably louder and more aggressive flat-six soundtrack.
This selectable operation makes it possible to enjoy different exhaust characteristics depending on the driving situation.
The system is manufactured using T304L stainless steel, selected for its durability, corrosion resistance and suitability for demanding exhaust conditions.
The Competition Package is designed for direct bolt-on installation on compatible vehicles, with manufacturer-supplied fitting instructions.
SOUL Performance reports third-party dynamometer testing showing significant performance gains when the package is combined with appropriate ECU tuning.
The result is a complete performance exhaust upgrade intended to enhance engine response, maximise exhaust flow potential and deliver a distinctive motorsport-inspired sound.
Ideal for Porsche enthusiasts seeking increased performance, improved exhaust character and a comprehensive exhaust upgrade for track-focused applications.
What This Product Does:
The Competition Package replaces major sections of the
original Porsche exhaust system to improve exhaust flow and provide selectable
exhaust sound characteristics.
The system consists of two main components.
1. SOUL Performance Competition Headers
The Competition Headers collect exhaust gases as they leave the engine's cylinder heads.
They replace the original manifold and catalytic converter assemblies with stainless steel headers designed to reduce exhaust restriction.
Their functions include:
- Directing exhaust gases away from the cylinder heads.
- Providing smoother exhaust runner geometry.
- Supporting improved exhaust scavenging.
- Reducing restrictions associated with the original catalyst assemblies.
- Supporting improved throttle response.
- Increasing engine performance potential.
- Enhancing the natural exhaust sound of the 3.8L flat-six engine.
- Maintaining the correct mounting arrangement for the compatible engine.
The headers use port-matched flanges, smooth-radius primary runners and optimised collectors to support efficient gas flow.
2. SOUL Performance Valved Exhaust System
The Valved Exhaust System receives exhaust gases from the headers and directs them through the rear exhaust.
It incorporates electronically operated valves that provide different sound and flow characteristics.
Its functions include:
- Directing exhaust gases towards the rear outlets.
- Providing selectable exhaust sound modes.
- Reducing unwanted drone when the valves are closed.
- Producing a more aggressive sound when the valves are open.
- Supporting efficient flow through the rear exhaust.
- Maintaining compatibility with the appropriate factory valve-control system.
- Providing a durable stainless steel silencer arrangement.
- Enhancing the vehicle's rear appearance through custom exhaust tips.
Why Upgrading Matters:
The SOUL Performance Competition Package provides a
comprehensive exhaust upgrade for drivers seeking increased performance and a
more engaging engine sound.
Improved Exhaust Flow
- The Competition Headers remove the original catalytic converters and use optimised exhaust runners and collectors.
- This reduces restrictions in the exhaust path and supports improved engine breathing.
Increased Performance Potential
SOUL Performance reports third-party testing on a Dyno Dynamics dynamometer.
The manufacturer states that testing produced:
- Approximately 40 wheel horsepower improvement in a tuned configuration.
- Approximately 20 wheel horsepower incremental improvement attributed to the Competition Headers after the ECU tune had been applied.
These gains relate to the tested vehicle and configuration.
Results will vary according to engine condition, ECU calibration and other modifications.
Improved Throttle Response
- The freer-flowing exhaust arrangement is intended to improve the engine's response to accelerator input.
- This can make the naturally aspirated flat-six feel more responsive during acceleration, particularly at higher engine speeds.
Enhanced Flat-Six Exhaust Sound
- The package is designed to reveal more of the engine's natural exhaust character.
- The Competition Headers and Valved Exhaust System work together to create a distinctive sound, particularly when the valves are open.
Selectable Exhaust Characteristics
- Unlike a permanently unrestricted rear exhaust, the valved system allows the driver to select between different sound modes.
- This offers additional flexibility for owners who use their vehicles in different driving environments.
Durable Stainless Steel Construction
- The headers and rear exhaust use T304L stainless steel.
- The construction is designed to withstand repeated heating and cooling cycles, exhaust vibration and demanding driving conditions.
Complete Exhaust Upgrade
- The package includes both Competition Headers and the Valved Exhaust System.
- This provides an integrated aftermarket solution rather than requiring separate component selection.
Motorsport-Focused Performance
- The Competition Package is intended for drivers seeking a performance-oriented exhaust setup.
- Its catalyst-free construction and high-flow design make it particularly relevant to off-road and motorsport applications.
Manufacturer Warranty
- SOUL Performance offers a lifetime warranty for its exhaust components, subject to the manufacturer's published terms and conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.COPKG.SWTT
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
The SOUL Performance Competition Package is a premium aftermarket exhaust upgrade developed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Kit Includes:
- Valved Exhaust System
- Competition Headers
Designed for the naturally aspirated 3.8L flat-six engine, this comprehensive performance package combines SOUL Performance Competition Headers with its electronically controlled Valved Exhaust System.
The package replaces the original exhaust manifold and catalytic converter assemblies, together with the factory rear exhaust system, to provide a high-flow exhaust arrangement from the cylinder heads to the exhaust outlets.
Unlike a conventional rear silencer upgrade, the Competition Package addresses both the exhaust gas collection and final exhaust delivery stages.
The Competition Headers incorporate carefully designed runners, smooth-radius tubing, port-matched flanges and optimised collectors to improve exhaust gas movement away from the engine.
These headers eliminate the original catalytic converters, reducing exhaust restriction and creating a freer-flowing exhaust path.
The accompanying Valved Exhaust System uses mandrel-bent stainless steel tubing, specially developed silencers and electronically operated exhaust valves.
With the exhaust valves closed, gases pass through the sound-absorbing silencers, producing a controlled exhaust note intended to minimise unwanted cabin drone.
With the valves open, exhaust gases follow a more direct flow path through the X-pipe and rear exhaust, creating a noticeably louder and more aggressive flat-six soundtrack.
This selectable operation makes it possible to enjoy different exhaust characteristics depending on the driving situation.
The system is manufactured using T304L stainless steel, selected for its durability, corrosion resistance and suitability for demanding exhaust conditions.
The Competition Package is designed for direct bolt-on installation on compatible vehicles, with manufacturer-supplied fitting instructions.
SOUL Performance reports third-party dynamometer testing showing significant performance gains when the package is combined with appropriate ECU tuning.
The result is a complete performance exhaust upgrade intended to enhance engine response, maximise exhaust flow potential and deliver a distinctive motorsport-inspired sound.
Ideal for Porsche enthusiasts seeking increased performance, improved exhaust character and a comprehensive exhaust upgrade for track-focused applications.
What This Product Does:
The Competition Package replaces major sections of the
original Porsche exhaust system to improve exhaust flow and provide selectable
exhaust sound characteristics.
The system consists of two main components.
1. SOUL Performance Competition Headers
The Competition Headers collect exhaust gases as they leave the engine's cylinder heads.
They replace the original manifold and catalytic converter assemblies with stainless steel headers designed to reduce exhaust restriction.
Their functions include:
- Directing exhaust gases away from the cylinder heads.
- Providing smoother exhaust runner geometry.
- Supporting improved exhaust scavenging.
- Reducing restrictions associated with the original catalyst assemblies.
- Supporting improved throttle response.
- Increasing engine performance potential.
- Enhancing the natural exhaust sound of the 3.8L flat-six engine.
- Maintaining the correct mounting arrangement for the compatible engine.
The headers use port-matched flanges, smooth-radius primary runners and optimised collectors to support efficient gas flow.
2. SOUL Performance Valved Exhaust System
The Valved Exhaust System receives exhaust gases from the headers and directs them through the rear exhaust.
It incorporates electronically operated valves that provide different sound and flow characteristics.
Its functions include:
- Directing exhaust gases towards the rear outlets.
- Providing selectable exhaust sound modes.
- Reducing unwanted drone when the valves are closed.
- Producing a more aggressive sound when the valves are open.
- Supporting efficient flow through the rear exhaust.
- Maintaining compatibility with the appropriate factory valve-control system.
- Providing a durable stainless steel silencer arrangement.
- Enhancing the vehicle's rear appearance through custom exhaust tips.
Why Upgrading Matters:
The SOUL Performance Competition Package provides a
comprehensive exhaust upgrade for drivers seeking increased performance and a
more engaging engine sound.
Improved Exhaust Flow
- The Competition Headers remove the original catalytic converters and use optimised exhaust runners and collectors.
- This reduces restrictions in the exhaust path and supports improved engine breathing.
Increased Performance Potential
SOUL Performance reports third-party testing on a Dyno Dynamics dynamometer.
The manufacturer states that testing produced:
- Approximately 40 wheel horsepower improvement in a tuned configuration.
- Approximately 20 wheel horsepower incremental improvement attributed to the Competition Headers after the ECU tune had been applied.
These gains relate to the tested vehicle and configuration.
Results will vary according to engine condition, ECU calibration and other modifications.
Improved Throttle Response
- The freer-flowing exhaust arrangement is intended to improve the engine's response to accelerator input.
- This can make the naturally aspirated flat-six feel more responsive during acceleration, particularly at higher engine speeds.
Enhanced Flat-Six Exhaust Sound
- The package is designed to reveal more of the engine's natural exhaust character.
- The Competition Headers and Valved Exhaust System work together to create a distinctive sound, particularly when the valves are open.
Selectable Exhaust Characteristics
- Unlike a permanently unrestricted rear exhaust, the valved system allows the driver to select between different sound modes.
- This offers additional flexibility for owners who use their vehicles in different driving environments.
Durable Stainless Steel Construction
- The headers and rear exhaust use T304L stainless steel.
- The construction is designed to withstand repeated heating and cooling cycles, exhaust vibration and demanding driving conditions.
Complete Exhaust Upgrade
- The package includes both Competition Headers and the Valved Exhaust System.
- This provides an integrated aftermarket solution rather than requiring separate component selection.
Motorsport-Focused Performance
- The Competition Package is intended for drivers seeking a performance-oriented exhaust setup.
- Its catalyst-free construction and high-flow design make it particularly relevant to off-road and motorsport applications.
Manufacturer Warranty
- SOUL Performance offers a lifetime warranty for its exhaust components, subject to the manufacturer's published terms and conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.COPKG.SWTB
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
The SOUL Performance Competition Package is a premium aftermarket exhaust upgrade developed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Kit Includes:
- Valved Exhaust System
- Competition Headers
Designed for the naturally aspirated 3.8L flat-six engine, this comprehensive performance package combines SOUL Performance Competition Headers with its electronically controlled Valved Exhaust System.
The package replaces the original exhaust manifold and catalytic converter assemblies, together with the factory rear exhaust system, to provide a high-flow exhaust arrangement from the cylinder heads to the exhaust outlets.
Unlike a conventional rear silencer upgrade, the Competition Package addresses both the exhaust gas collection and final exhaust delivery stages.
The Competition Headers incorporate carefully designed runners, smooth-radius tubing, port-matched flanges and optimised collectors to improve exhaust gas movement away from the engine.
These headers eliminate the original catalytic converters, reducing exhaust restriction and creating a freer-flowing exhaust path.
The accompanying Valved Exhaust System uses mandrel-bent stainless steel tubing, specially developed silencers and electronically operated exhaust valves.
With the exhaust valves closed, gases pass through the sound-absorbing silencers, producing a controlled exhaust note intended to minimise unwanted cabin drone.
With the valves open, exhaust gases follow a more direct flow path through the X-pipe and rear exhaust, creating a noticeably louder and more aggressive flat-six soundtrack.
This selectable operation makes it possible to enjoy different exhaust characteristics depending on the driving situation.
The system is manufactured using T304L stainless steel, selected for its durability, corrosion resistance and suitability for demanding exhaust conditions.
The Competition Package is designed for direct bolt-on installation on compatible vehicles, with manufacturer-supplied fitting instructions.
SOUL Performance reports third-party dynamometer testing showing significant performance gains when the package is combined with appropriate ECU tuning.
The result is a complete performance exhaust upgrade intended to enhance engine response, maximise exhaust flow potential and deliver a distinctive motorsport-inspired sound.
Ideal for Porsche enthusiasts seeking increased performance, improved exhaust character and a comprehensive exhaust upgrade for track-focused applications.
What This Product Does:
The Competition Package replaces major sections of the
original Porsche exhaust system to improve exhaust flow and provide selectable
exhaust sound characteristics.
The system consists of two main components.
1. SOUL Performance Competition Headers
The Competition Headers collect exhaust gases as they leave the engine's cylinder heads.
They replace the original manifold and catalytic converter assemblies with stainless steel headers designed to reduce exhaust restriction.
Their functions include:
- Directing exhaust gases away from the cylinder heads.
- Providing smoother exhaust runner geometry.
- Supporting improved exhaust scavenging.
- Reducing restrictions associated with the original catalyst assemblies.
- Supporting improved throttle response.
- Increasing engine performance potential.
- Enhancing the natural exhaust sound of the 3.8L flat-six engine.
- Maintaining the correct mounting arrangement for the compatible engine.
The headers use port-matched flanges, smooth-radius primary runners and optimised collectors to support efficient gas flow.
2. SOUL Performance Valved Exhaust System
The Valved Exhaust System receives exhaust gases from the headers and directs them through the rear exhaust.
It incorporates electronically operated valves that provide different sound and flow characteristics.
Its functions include:
- Directing exhaust gases towards the rear outlets.
- Providing selectable exhaust sound modes.
- Reducing unwanted drone when the valves are closed.
- Producing a more aggressive sound when the valves are open.
- Supporting efficient flow through the rear exhaust.
- Maintaining compatibility with the appropriate factory valve-control system.
- Providing a durable stainless steel silencer arrangement.
- Enhancing the vehicle's rear appearance through custom exhaust tips.
Why Upgrading Matters:
The SOUL Performance Competition Package provides a
comprehensive exhaust upgrade for drivers seeking increased performance and a
more engaging engine sound.
Improved Exhaust Flow
- The Competition Headers remove the original catalytic converters and use optimised exhaust runners and collectors.
- This reduces restrictions in the exhaust path and supports improved engine breathing.
Increased Performance Potential
SOUL Performance reports third-party testing on a Dyno Dynamics dynamometer.
The manufacturer states that testing produced:
- Approximately 40 wheel horsepower improvement in a tuned configuration.
- Approximately 20 wheel horsepower incremental improvement attributed to the Competition Headers after the ECU tune had been applied.
These gains relate to the tested vehicle and configuration.
Results will vary according to engine condition, ECU calibration and other modifications.
Improved Throttle Response
- The freer-flowing exhaust arrangement is intended to improve the engine's response to accelerator input.
- This can make the naturally aspirated flat-six feel more responsive during acceleration, particularly at higher engine speeds.
Enhanced Flat-Six Exhaust Sound
- The package is designed to reveal more of the engine's natural exhaust character.
- The Competition Headers and Valved Exhaust System work together to create a distinctive sound, particularly when the valves are open.
Selectable Exhaust Characteristics
- Unlike a permanently unrestricted rear exhaust, the valved system allows the driver to select between different sound modes.
- This offers additional flexibility for owners who use their vehicles in different driving environments.
Durable Stainless Steel Construction
- The headers and rear exhaust use T304L stainless steel.
- The construction is designed to withstand repeated heating and cooling cycles, exhaust vibration and demanding driving conditions.
Complete Exhaust Upgrade
- The package includes both Competition Headers and the Valved Exhaust System.
- This provides an integrated aftermarket solution rather than requiring separate component selection.
Motorsport-Focused Performance
- The Competition Package is intended for drivers seeking a performance-oriented exhaust setup.
- Its catalyst-free construction and high-flow design make it particularly relevant to off-road and motorsport applications.
Manufacturer Warranty
- SOUL Performance offers a lifetime warranty for its exhaust components, subject to the manufacturer's published terms and conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.COPKG.SWTBR
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
The SOUL Performance Competition Package is a premium aftermarket exhaust upgrade developed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Kit Includes:
- Valved Exhaust System
- Competition Headers
Designed for the naturally aspirated 3.8L flat-six engine, this comprehensive performance package combines SOUL Performance Competition Headers with its electronically controlled Valved Exhaust System.
The package replaces the original exhaust manifold and catalytic converter assemblies, together with the factory rear exhaust system, to provide a high-flow exhaust arrangement from the cylinder heads to the exhaust outlets.
Unlike a conventional rear silencer upgrade, the Competition Package addresses both the exhaust gas collection and final exhaust delivery stages.
The Competition Headers incorporate carefully designed runners, smooth-radius tubing, port-matched flanges and optimised collectors to improve exhaust gas movement away from the engine.
These headers eliminate the original catalytic converters, reducing exhaust restriction and creating a freer-flowing exhaust path.
The accompanying Valved Exhaust System uses mandrel-bent stainless steel tubing, specially developed silencers and electronically operated exhaust valves.
With the exhaust valves closed, gases pass through the sound-absorbing silencers, producing a controlled exhaust note intended to minimise unwanted cabin drone.
With the valves open, exhaust gases follow a more direct flow path through the X-pipe and rear exhaust, creating a noticeably louder and more aggressive flat-six soundtrack.
This selectable operation makes it possible to enjoy different exhaust characteristics depending on the driving situation.
The system is manufactured using T304L stainless steel, selected for its durability, corrosion resistance and suitability for demanding exhaust conditions.
The Competition Package is designed for direct bolt-on installation on compatible vehicles, with manufacturer-supplied fitting instructions.
SOUL Performance reports third-party dynamometer testing showing significant performance gains when the package is combined with appropriate ECU tuning.
The result is a complete performance exhaust upgrade intended to enhance engine response, maximise exhaust flow potential and deliver a distinctive motorsport-inspired sound.
Ideal for Porsche enthusiasts seeking increased performance, improved exhaust character and a comprehensive exhaust upgrade for track-focused applications.
What This Product Does:
The Competition Package replaces major sections of the
original Porsche exhaust system to improve exhaust flow and provide selectable
exhaust sound characteristics.
The system consists of two main components.
1. SOUL Performance Competition Headers
The Competition Headers collect exhaust gases as they leave the engine's cylinder heads.
They replace the original manifold and catalytic converter assemblies with stainless steel headers designed to reduce exhaust restriction.
Their functions include:
- Directing exhaust gases away from the cylinder heads.
- Providing smoother exhaust runner geometry.
- Supporting improved exhaust scavenging.
- Reducing restrictions associated with the original catalyst assemblies.
- Supporting improved throttle response.
- Increasing engine performance potential.
- Enhancing the natural exhaust sound of the 3.8L flat-six engine.
- Maintaining the correct mounting arrangement for the compatible engine.
The headers use port-matched flanges, smooth-radius primary runners and optimised collectors to support efficient gas flow.
2. SOUL Performance Valved Exhaust System
The Valved Exhaust System receives exhaust gases from the headers and directs them through the rear exhaust.
It incorporates electronically operated valves that provide different sound and flow characteristics.
Its functions include:
- Directing exhaust gases towards the rear outlets.
- Providing selectable exhaust sound modes.
- Reducing unwanted drone when the valves are closed.
- Producing a more aggressive sound when the valves are open.
- Supporting efficient flow through the rear exhaust.
- Maintaining compatibility with the appropriate factory valve-control system.
- Providing a durable stainless steel silencer arrangement.
- Enhancing the vehicle's rear appearance through custom exhaust tips.
Why Upgrading Matters:
The SOUL Performance Competition Package provides a
comprehensive exhaust upgrade for drivers seeking increased performance and a
more engaging engine sound.
Improved Exhaust Flow
- The Competition Headers remove the original catalytic converters and use optimised exhaust runners and collectors.
- This reduces restrictions in the exhaust path and supports improved engine breathing.
Increased Performance Potential
SOUL Performance reports third-party testing on a Dyno Dynamics dynamometer.
The manufacturer states that testing produced:
- Approximately 40 wheel horsepower improvement in a tuned configuration.
- Approximately 20 wheel horsepower incremental improvement attributed to the Competition Headers after the ECU tune had been applied.
These gains relate to the tested vehicle and configuration.
Results will vary according to engine condition, ECU calibration and other modifications.
Improved Throttle Response
- The freer-flowing exhaust arrangement is intended to improve the engine's response to accelerator input.
- This can make the naturally aspirated flat-six feel more responsive during acceleration, particularly at higher engine speeds.
Enhanced Flat-Six Exhaust Sound
- The package is designed to reveal more of the engine's natural exhaust character.
- The Competition Headers and Valved Exhaust System work together to create a distinctive sound, particularly when the valves are open.
Selectable Exhaust Characteristics
- Unlike a permanently unrestricted rear exhaust, the valved system allows the driver to select between different sound modes.
- This offers additional flexibility for owners who use their vehicles in different driving environments.
Durable Stainless Steel Construction
- The headers and rear exhaust use T304L stainless steel.
- The construction is designed to withstand repeated heating and cooling cycles, exhaust vibration and demanding driving conditions.
Complete Exhaust Upgrade
- The package includes both Competition Headers and the Valved Exhaust System.
- This provides an integrated aftermarket solution rather than requiring separate component selection.
Motorsport-Focused Performance
- The Competition Package is intended for drivers seeking a performance-oriented exhaust setup.
- Its catalyst-free construction and high-flow design make it particularly relevant to off-road and motorsport applications.
Manufacturer Warranty
- SOUL Performance offers a lifetime warranty for its exhaust components, subject to the manufacturer's published terms and conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.COPKG.SWT
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
The SOUL Performance Competition Package is a premium aftermarket exhaust upgrade developed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Kit Includes:
- Valved Exhaust System
- Competition Headers
Designed for the naturally aspirated 3.8L flat-six engine, this comprehensive performance package combines SOUL Performance Competition Headers with its electronically controlled Valved Exhaust System.
The package replaces the original exhaust manifold and catalytic converter assemblies, together with the factory rear exhaust system, to provide a high-flow exhaust arrangement from the cylinder heads to the exhaust outlets.
Unlike a conventional rear silencer upgrade, the Competition Package addresses both the exhaust gas collection and final exhaust delivery stages.
The Competition Headers incorporate carefully designed runners, smooth-radius tubing, port-matched flanges and optimised collectors to improve exhaust gas movement away from the engine.
These headers eliminate the original catalytic converters, reducing exhaust restriction and creating a freer-flowing exhaust path.
The accompanying Valved Exhaust System uses mandrel-bent stainless steel tubing, specially developed silencers and electronically operated exhaust valves.
With the exhaust valves closed, gases pass through the sound-absorbing silencers, producing a controlled exhaust note intended to minimise unwanted cabin drone.
With the valves open, exhaust gases follow a more direct flow path through the X-pipe and rear exhaust, creating a noticeably louder and more aggressive flat-six soundtrack.
This selectable operation makes it possible to enjoy different exhaust characteristics depending on the driving situation.
The system is manufactured using T304L stainless steel, selected for its durability, corrosion resistance and suitability for demanding exhaust conditions.
The Competition Package is designed for direct bolt-on installation on compatible vehicles, with manufacturer-supplied fitting instructions.
SOUL Performance reports third-party dynamometer testing showing significant performance gains when the package is combined with appropriate ECU tuning.
The result is a complete performance exhaust upgrade intended to enhance engine response, maximise exhaust flow potential and deliver a distinctive motorsport-inspired sound.
Ideal for Porsche enthusiasts seeking increased performance, improved exhaust character and a comprehensive exhaust upgrade for track-focused applications.
What This Product Does:
The Competition Package replaces major sections of the
original Porsche exhaust system to improve exhaust flow and provide selectable
exhaust sound characteristics.
The system consists of two main components.
1. SOUL Performance Competition Headers
The Competition Headers collect exhaust gases as they leave the engine's cylinder heads.
They replace the original manifold and catalytic converter assemblies with stainless steel headers designed to reduce exhaust restriction.
Their functions include:
- Directing exhaust gases away from the cylinder heads.
- Providing smoother exhaust runner geometry.
- Supporting improved exhaust scavenging.
- Reducing restrictions associated with the original catalyst assemblies.
- Supporting improved throttle response.
- Increasing engine performance potential.
- Enhancing the natural exhaust sound of the 3.8L flat-six engine.
- Maintaining the correct mounting arrangement for the compatible engine.
The headers use port-matched flanges, smooth-radius primary runners and optimised collectors to support efficient gas flow.
2. SOUL Performance Valved Exhaust System
The Valved Exhaust System receives exhaust gases from the headers and directs them through the rear exhaust.
It incorporates electronically operated valves that provide different sound and flow characteristics.
Its functions include:
- Directing exhaust gases towards the rear outlets.
- Providing selectable exhaust sound modes.
- Reducing unwanted drone when the valves are closed.
- Producing a more aggressive sound when the valves are open.
- Supporting efficient flow through the rear exhaust.
- Maintaining compatibility with the appropriate factory valve-control system.
- Providing a durable stainless steel silencer arrangement.
- Enhancing the vehicle's rear appearance through custom exhaust tips.
Why Upgrading Matters:
The SOUL Performance Competition Package provides a
comprehensive exhaust upgrade for drivers seeking increased performance and a
more engaging engine sound.
Improved Exhaust Flow
- The Competition Headers remove the original catalytic converters and use optimised exhaust runners and collectors.
- This reduces restrictions in the exhaust path and supports improved engine breathing.
Increased Performance Potential
SOUL Performance reports third-party testing on a Dyno Dynamics dynamometer.
The manufacturer states that testing produced:
- Approximately 40 wheel horsepower improvement in a tuned configuration.
- Approximately 20 wheel horsepower incremental improvement attributed to the Competition Headers after the ECU tune had been applied.
These gains relate to the tested vehicle and configuration.
Results will vary according to engine condition, ECU calibration and other modifications.
Improved Throttle Response
- The freer-flowing exhaust arrangement is intended to improve the engine's response to accelerator input.
- This can make the naturally aspirated flat-six feel more responsive during acceleration, particularly at higher engine speeds.
Enhanced Flat-Six Exhaust Sound
- The package is designed to reveal more of the engine's natural exhaust character.
- The Competition Headers and Valved Exhaust System work together to create a distinctive sound, particularly when the valves are open.
Selectable Exhaust Characteristics
- Unlike a permanently unrestricted rear exhaust, the valved system allows the driver to select between different sound modes.
- This offers additional flexibility for owners who use their vehicles in different driving environments.
Durable Stainless Steel Construction
- The headers and rear exhaust use T304L stainless steel.
- The construction is designed to withstand repeated heating and cooling cycles, exhaust vibration and demanding driving conditions.
Complete Exhaust Upgrade
- The package includes both Competition Headers and the Valved Exhaust System.
- This provides an integrated aftermarket solution rather than requiring separate component selection.
Motorsport-Focused Performance
- The Competition Package is intended for drivers seeking a performance-oriented exhaust setup.
- Its catalyst-free construction and high-flow design make it particularly relevant to off-road and motorsport applications.
Manufacturer Warranty
- SOUL Performance offers a lifetime warranty for its exhaust components, subject to the manufacturer's published terms and conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.COPKG.BC
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
The SOUL Performance Competition Package is a premium aftermarket exhaust upgrade developed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Kit Includes:
- Valved Exhaust System
- Competition Headers
Designed for the naturally aspirated 3.8L flat-six engine, this comprehensive performance package combines SOUL Performance Competition Headers with its electronically controlled Valved Exhaust System.
The package replaces the original exhaust manifold and catalytic converter assemblies, together with the factory rear exhaust system, to provide a high-flow exhaust arrangement from the cylinder heads to the exhaust outlets.
Unlike a conventional rear silencer upgrade, the Competition Package addresses both the exhaust gas collection and final exhaust delivery stages.
The Competition Headers incorporate carefully designed runners, smooth-radius tubing, port-matched flanges and optimised collectors to improve exhaust gas movement away from the engine.
These headers eliminate the original catalytic converters, reducing exhaust restriction and creating a freer-flowing exhaust path.
The accompanying Valved Exhaust System uses mandrel-bent stainless steel tubing, specially developed silencers and electronically operated exhaust valves.
With the exhaust valves closed, gases pass through the sound-absorbing silencers, producing a controlled exhaust note intended to minimise unwanted cabin drone.
With the valves open, exhaust gases follow a more direct flow path through the X-pipe and rear exhaust, creating a noticeably louder and more aggressive flat-six soundtrack.
This selectable operation makes it possible to enjoy different exhaust characteristics depending on the driving situation.
The system is manufactured using T304L stainless steel, selected for its durability, corrosion resistance and suitability for demanding exhaust conditions.
The Competition Package is designed for direct bolt-on installation on compatible vehicles, with manufacturer-supplied fitting instructions.
SOUL Performance reports third-party dynamometer testing showing significant performance gains when the package is combined with appropriate ECU tuning.
The result is a complete performance exhaust upgrade intended to enhance engine response, maximise exhaust flow potential and deliver a distinctive motorsport-inspired sound.
Ideal for Porsche enthusiasts seeking increased performance, improved exhaust character and a comprehensive exhaust upgrade for track-focused applications.
What This Product Does:
The Competition Package replaces major sections of the
original Porsche exhaust system to improve exhaust flow and provide selectable
exhaust sound characteristics.
The system consists of two main components.
1. SOUL Performance Competition Headers
The Competition Headers collect exhaust gases as they leave the engine's cylinder heads.
They replace the original manifold and catalytic converter assemblies with stainless steel headers designed to reduce exhaust restriction.
Their functions include:
- Directing exhaust gases away from the cylinder heads.
- Providing smoother exhaust runner geometry.
- Supporting improved exhaust scavenging.
- Reducing restrictions associated with the original catalyst assemblies.
- Supporting improved throttle response.
- Increasing engine performance potential.
- Enhancing the natural exhaust sound of the 3.8L flat-six engine.
- Maintaining the correct mounting arrangement for the compatible engine.
The headers use port-matched flanges, smooth-radius primary runners and optimised collectors to support efficient gas flow.
2. SOUL Performance Valved Exhaust System
The Valved Exhaust System receives exhaust gases from the headers and directs them through the rear exhaust.
It incorporates electronically operated valves that provide different sound and flow characteristics.
Its functions include:
- Directing exhaust gases towards the rear outlets.
- Providing selectable exhaust sound modes.
- Reducing unwanted drone when the valves are closed.
- Producing a more aggressive sound when the valves are open.
- Supporting efficient flow through the rear exhaust.
- Maintaining compatibility with the appropriate factory valve-control system.
- Providing a durable stainless steel silencer arrangement.
- Enhancing the vehicle's rear appearance through custom exhaust tips.
Why Upgrading Matters:
The SOUL Performance Competition Package provides a
comprehensive exhaust upgrade for drivers seeking increased performance and a
more engaging engine sound.
Improved Exhaust Flow
- The Competition Headers remove the original catalytic converters and use optimised exhaust runners and collectors.
- This reduces restrictions in the exhaust path and supports improved engine breathing.
Increased Performance Potential
SOUL Performance reports third-party testing on a Dyno Dynamics dynamometer.
The manufacturer states that testing produced:
- Approximately 40 wheel horsepower improvement in a tuned configuration.
- Approximately 20 wheel horsepower incremental improvement attributed to the Competition Headers after the ECU tune had been applied.
These gains relate to the tested vehicle and configuration.
Results will vary according to engine condition, ECU calibration and other modifications.
Improved Throttle Response
- The freer-flowing exhaust arrangement is intended to improve the engine's response to accelerator input.
- This can make the naturally aspirated flat-six feel more responsive during acceleration, particularly at higher engine speeds.
Enhanced Flat-Six Exhaust Sound
- The package is designed to reveal more of the engine's natural exhaust character.
- The Competition Headers and Valved Exhaust System work together to create a distinctive sound, particularly when the valves are open.
Selectable Exhaust Characteristics
- Unlike a permanently unrestricted rear exhaust, the valved system allows the driver to select between different sound modes.
- This offers additional flexibility for owners who use their vehicles in different driving environments.
Durable Stainless Steel Construction
- The headers and rear exhaust use T304L stainless steel.
- The construction is designed to withstand repeated heating and cooling cycles, exhaust vibration and demanding driving conditions.
Complete Exhaust Upgrade
- The package includes both Competition Headers and the Valved Exhaust System.
- This provides an integrated aftermarket solution rather than
requiring separate component selection.
Motorsport-Focused Performance
- The Competition Package is intended for drivers seeking a performance-oriented exhaust setup.
- Its catalyst-free construction and high-flow design make it particularly relevant to off-road and motorsport applications.
Manufacturer Warranty
- SOUL Performance offers a lifetime warranty for its exhaust components, subject to the manufacturer's published terms and conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.COPKG.POT
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
The SOUL Performance Competition Headers are premium aftermarket performance exhaust manifolds designed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Developed for the naturally aspirated 3.8-litre flat-six engine, these competition-specification headers replace the original Porsche exhaust manifold and catalytic converter assemblies with a freer-flowing stainless steel exhaust arrangement.
The factory exhaust system is engineered to balance engine performance, emissions control, noise restrictions and everyday usability. Although highly capable, the original exhaust manifolds and catalytic converters introduce resistance into the exhaust path.
SOUL Performance's Competition Headers are designed to reduce this restriction and improve the movement of exhaust gases away from the cylinder heads.
Each header incorporates 2-inch primary runners, smooth-radius tubing, port-matched mounting flanges and optimised collectors to help improve exhaust gas flow.
The long-runner design is engineered to complement the characteristics of Porsche's high-revving 3.8-litre engine, supporting improved engine breathing and throttle response.
Manufactured from T304L stainless steel, the headers offer corrosion resistance, strength and durability under demanding exhaust operating temperatures.
Unlike SOUL Performance's separately available Long Tube Street Headers, the Competition Headers do not incorporate catalytic converters.
This catalyst-free construction reduces exhaust restriction and produces a more pronounced exhaust note, making the product particularly suitable for dedicated off-road and motorsport applications.
SOUL Performance reports third-party dynamometer testing demonstrating measurable performance improvements when these headers are combined with suitable ECU tuning.
The headers are designed as a direct bolt-on replacement for the compatible factory manifold assemblies. Each set is checked in an installation fixture before dispatch, and fitting instructions are supplied.
The Competition Headers can also form part of the complete SOUL Performance Competition Package when combined with the manufacturer's compatible valved rear exhaust system.
For Porsche enthusiasts seeking increased exhaust flow, improved throttle response and a more aggressive flat-six soundtrack, the SOUL Performance Competition Headers provide a substantial upgrade to the original exhaust manifold arrangement.
What This Product Does:
Exhaust headers collect combustion gases as they leave the engine's cylinder heads and direct them into the remainder of the exhaust system.
On the Porsche 981 GT4 and Boxster Spyder, exhaust gases leave the naturally aspirated 3.8L flat-six engine through the exhaust ports before passing into the original exhaust manifolds and catalytic converter assemblies.
The SOUL Performance Competition Headers replace these original assemblies with stainless steel performance headers.
Their primary purpose is to improve the efficiency with which exhaust gases leave the engine.
The main functions include:
- Collecting exhaust gases: Direct spent combustion gases away from the cylinder heads.
- Improving exhaust flow: Provide smoother internal gas passages to reduce unnecessary restriction.
- Supporting exhaust scavenging: Use runner length and collector geometry to encourage efficient exhaust pulse movement.
- Reducing exhaust backpressure: Remove restrictions associated with the original catalytic converter assemblies.
- Improving engine responsiveness: Support sharper throttle response under acceleration.
- Increasing performance potential: Help the engine breathe more efficiently, particularly at higher engine speeds.
- Enhancing exhaust sound: Produce a louder, more distinctive naturally aspirated flat-six soundtrack.
- Supporting high-RPM operation: Use runner dimensions selected for the characteristics of the 3.8L engine.
- Reducing component weight: Offer weight-saving potential compared with the original exhaust assemblies.
- Supporting performance tuning: Complement suitable ECU calibration and other compatible exhaust upgrades.
- Maintaining downstream exhaust connection: Fit to the appropriate original or compatible aftermarket rear exhaust arrangement.
- Providing durability: Use stainless steel components designed for high-temperature exhaust conditions.
Why Replacement Matters:
The SOUL Performance Competition Headers are designed for Porsche owners seeking a more performance-focused exhaust configuration.
Their principal advantages are improved exhaust flow, increased performance potential and enhanced engine sound.
1. Improved Exhaust Gas Flow
The headers use smooth-radius primary tubing, port-matched flanges and optimised collectors.
These design features are intended to reduce turbulence and help exhaust gases travel efficiently away from the cylinder heads.
2. Reduced Exhaust Restriction
Removing the original catalytic converters eliminates a significant source of resistance in the exhaust path.
This creates a freer-flowing arrangement intended to support the high-revving characteristics of the 3.8L flat-six engine.
The corresponding loss of emissions control means the product is restricted to suitable off-road applications.
3. Increased Horsepower Potential
SOUL Performance reports testing carried out using a Dyno Dynamics dynamometer.
The manufacturer states that:
Approximately 40 wheel horsepower was gained in the tested configuration when combined with ECU tuning. Approximately 20 wheel horsepower of additional improvement was attributed to installing the Competition Headers after the tune had been applied.
These figures relate to the manufacturer's published test configuration.
Actual results depend on the vehicle, ECU calibration, engine condition and other installed modifications.
No specific horsepower gain is guaranteed for an otherwise standard vehicle.
4. Sharper Throttle Response
A freer-flowing exhaust can improve the engine's response to accelerator input.
This may be particularly noticeable when accelerating through the middle and upper sections of the engine's rev range.
5. More Aggressive Flat-Six Sound
The Competition Headers change the exhaust flow path and remove the sound attenuation associated with the factory catalytic converters.
This can produce a louder, more immediate and more pronounced exhaust note.
The final sound will also depend on the rear exhaust system installed.
6. Stainless Steel Construction
The headers are fabricated from T304L stainless steel.
This material provides corrosion resistance and durability in demanding, high-temperature exhaust environments.
7. Weight-Saving Potential
SOUL Performance identifies reduced weight as a benefit of the Competition Headers compared with the original components.
The precise total saving should be confirmed for the vehicle's original exhaust specification rather than assumed from other header products.
8. Direct Bolt-On Installation
The headers are designed to replace the original assemblies without bespoke exhaust fabrication on a compatible vehicle.
SOUL Performance tests each set in a fixture to check fitment and supplies installation instructions.
9. Compatibility with Additional Performance Upgrades
These headers may be combined with suitable rear exhaust systems and an appropriate motorsport ECU calibration.
They are also used as part of SOUL Performance's dedicated Competition Package.
10. Manufacturer Warranty
SOUL Performance provides a lifetime warranty for its Competition Headers, subject to the manufacturer's published warranty conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.COH
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
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Worldwide Delivery
The SOUL Performance Valved Exhaust System is a high-quality aftermarket exhaust upgrade developed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Designed for the naturally aspirated 3.8L flat-six engine, this performance exhaust replaces the original rear silencer assembly with a stainless steel system incorporating specially developed mufflers, electronically controlled exhaust valves and a selection of premium exhaust tips.
The Porsche 981 GT4 and Boxster Spyder are renowned for their distinctive engine character, high-revving performance and engaging driving experience.
SOUL Performance has engineered this exhaust system to enhance those qualities while maintaining the flexibility required for both everyday driving and more enthusiastic use.
Unlike a permanently loud aftermarket exhaust, the SOUL Valved Exhaust System provides two selectable sound characteristics.
With the exhaust valves closed, gases are directed through the integrated SOUL mufflers, which contain high-quality sound-absorbing material.
This arrangement produces a deeper, refined exhaust tone while minimising unwanted cabin drone during steady motorway driving.
With the exhaust valves open, the exhaust gases can flow through a more direct 2.5-inch exhaust path, producing a louder, more aggressive exhaust note.
The open-valve arrangement highlights the characteristic sound of the Porsche flat-six engine, particularly during acceleration, high-RPM operation and downshifts.
Manufactured from mandrel-bent T304L stainless steel, the system is designed to provide durability, corrosion resistance and consistent exhaust flow.
The over-axle pipes feature a 2.5-inch outside diameter, while the reinforced muffler casings are designed to withstand repeated heating and cooling cycles.
The system also incorporates carefully positioned perforations that allow exhaust pulses to interact with the mufflers even when the valves are open, encouraging a fuller and more rounded exhaust tone.
A selection of exhaust tip styles and finishes allows owners to customise the rear appearance of their Porsche.
Available manufacturer options include 321 stainless steel exhaust tips and lightweight single-wall titanium tips.
The system is designed to work with the Porsche factory exhaust valve controls, allowing the driver to retain familiar operation through the original exhaust button.
SOUL also identifies compatibility with its optional remote valve controllers and HomeLink-based control arrangements.
Each exhaust system is fixture-tested before dispatch and supplied with installation instructions for a direct bolt-on installation on compatible vehicles.
Backed by SOUL Performance's lifetime warranty, subject to the manufacturer's terms, this valved exhaust is an attractive upgrade for owners looking to improve the sound, character and appearance of their Porsche without permanently sacrificing cruising refinement.
What This Product Does:
The SOUL Performance Valved Exhaust System manages the flow of exhaust gases through the rear exhaust assembly while allowing the driver to select between two distinct exhaust sound characteristics.
Exhaust gases leave the engine through the exhaust manifolds and catalytic converter assemblies before travelling through the rear exhaust system.
The SOUL system receives these gases through its over-axle pipes and directs them towards the exhaust outlets.
The electronically operated exhaust valves determine whether the gases pass predominantly through the sound-absorbing mufflers or follow the more direct exhaust path.
Its primary functions include:
- Directing exhaust gases: Carries spent gases from the upstream exhaust components towards the rear outlets.
- Providing selectable exhaust sound: Allows quieter and louder operating modes.
- Reducing motorway drone: Uses dedicated muffler construction to minimise unwanted low-frequency resonance.
- Enhancing engine sound: Produces a deeper and more pronounced naturally aspirated flat-six soundtrack.
- Supporting efficient exhaust flow: Uses mandrel-bent tubing and a more direct flow path with the valves open.
- Maintaining driver control: Integrates with the factory exhaust valve control system.
- Supporting everyday comfort: Offers a more restrained exhaust character with the valves closed.
- Enhancing spirited driving: Provides a stronger exhaust note during acceleration and downshifts.
- Improving rear-end appearance: Incorporates a choice of premium exhaust tip styles and finishes.
- Providing durable construction: Uses stainless steel components designed for demanding exhaust temperatures.
- Supporting compatible performance upgrades: Can be paired with appropriate factory or aftermarket header configurations.
- Maintaining a factory-style installation: Uses mounting and connection arrangements intended for compatible vehicles.
How Do The Exhaust Valves Work:
Valves Closed – Refined Touring Sound
When the valves are closed, exhaust gases are directed through the SOUL mufflers.
The mufflers contain durable sound-absorbing material designed to reduce unwanted resonance while maintaining a sporting exhaust note.
This setting is intended for normal road driving, longer journeys and situations where a more restrained exhaust sound is preferred.
Benefits include:
- A deeper but more controlled exhaust note.
- Reduced low-frequency cabin resonance.
- Improved cruising refinement compared with an unrestricted exhaust.
- A sporting sound without permanently operating at maximum volume.
- Convenient operation using the existing exhaust controls.
SOUL states that its system is designed to avoid unwanted motorway drone when paired with factory headers or appropriate high-flow catted headers.
Valves Open – Enhanced Performance Sound
With the valves open, exhaust gases can travel through the larger, more direct 2.5-inch piping.
This reduces the amount of sound attenuation compared with the closed-valve arrangement.
The result is a stronger exhaust sound that becomes particularly noticeable during acceleration and higher engine speeds.
Benefits include:
- A louder and more aggressive flat-six exhaust note.
- Greater exhaust character during acceleration.
- A more pronounced sound during downshifts.
- A fuller tone from the specially designed muffler and pipe arrangement.
- A more engaging driving experience.
Why Upgrading Matters:
The SOUL Performance Valved Exhaust System is designed for drivers who want a more engaging exhaust note without permanently compromising daily driving comfort.
It combines performance-oriented construction with the convenience of selectable exhaust sound.
1. Enhanced Flat-Six Sound
- The 3.8L naturally aspirated engine fitted to the Porsche 981 GT4 and Boxster Spyder produces a distinctive high-revving exhaust note.
- The SOUL system is designed to amplify and refine this sound, producing a deeper tone with the valves closed and a more aggressive character with the valves open.
2. Selectable Exhaust Volume
- The electronic valve arrangement allows the driver to choose between two different exhaust modes.
- This makes the system suitable for owners who want a more pronounced sound during spirited driving but prefer a quieter exhaust on longer journeys.
3. Reduced Unwanted Drone
- The SOUL mufflers use sound-absorbing materials and a carefully developed internal design to minimise unwanted resonance.
- This is particularly valuable during steady motorway driving, where permanently loud exhaust systems can become tiring.
4. Improved Exhaust Flow Potential
- The system uses mandrel-bent stainless steel tubing and a more direct exhaust path when the valves are open.
- This arrangement is designed to support efficient exhaust gas movement.
- It may complement other performance upgrades, but specific horsepower and torque gains have not been verified for this exhaust system alone.
5. Factory Exhaust Valve Control Compatibility
- The system is compatible with the original Porsche exhaust valve controls.
- Drivers can retain the familiar exhaust control operation rather than relying on a completely separate system.
- Optional SOUL valve-control solutions may offer additional operating flexibility.
6. Durable Stainless Steel Construction
- The T304L stainless steel exhaust tubing and reinforced muffler casings are designed to withstand high temperatures, vibration and repeated thermal cycles.
- The use of corrosion-resistant materials makes the system suitable for long-term enthusiast use.
7. Premium Exhaust Tip Options
- A choice of stainless steel and titanium exhaust tips allows owners to customise the vehicle's rear appearance.
- Titanium single-wall tips offer a lightweight alternative to stainless steel.
8. Direct Bolt-On Installation
- The system is designed as a direct replacement for the compatible factory rear exhaust.
- SOUL fixture-tests its exhaust assemblies and supplies installation instructions.
9. Retention of the Upstream Exhaust System
- This is a rear exhaust upgrade rather than a complete exhaust manifold and catalytic converter replacement.
- Compatible original headers and catalytic converters can remain installed.
10. Manufacturer's Lifetime Warranty
- SOUL Performance backs the system with its lifetime warranty for street and track use, subject to the published warranty conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.VES.
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
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12 Month Warranty
Worldwide Delivery
The SOUL Performance Long Tube Street Headers are high-performance aftermarket exhaust manifolds developed specifically for the Porsche 981 Cayman GT4, Boxster Spyder and GT4 Clubsport models manufactured between 2015 and 2016.
Fits:
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
Designed for the naturally aspirated 3.8L flat-six engine, these headers replace the original exhaust manifold and catalytic converter assemblies with a carefully engineered long-tube exhaust system incorporating high-flow catalytic converters.
The original Porsche exhaust system is designed to balance performance, emissions, noise restrictions and everyday usability.
SOUL Performance's long-tube headers are designed to improve exhaust flow and engine response by using longer, smoother exhaust runners and optimised collectors.
Each header assembly features 2-inch primary runners, smooth-radius tubing and port-matched mounting flanges to help exhaust gases flow efficiently from the cylinder heads.
The headers are constructed from T304L stainless steel, providing excellent corrosion resistance and durability under demanding exhaust operating conditions.
High-flow catalytic converters are incorporated into the system, allowing improved exhaust flow while retaining a catalytic treatment stage rather than adopting a fully decatted design.
The long-tube configuration is particularly beneficial on a high-revving naturally aspirated engine because exhaust gas velocity, pulse timing and collector design influence engine breathing and the delivery of power across the rev range.
SOUL Performance has developed this product to complement the characteristics of the Porsche 981 GT4 and Spyder's 3.8L engine.
The result is a performance-focused exhaust upgrade intended to improve throttle response, enhance high-RPM engine performance and produce a more pronounced flat-six exhaust note.
Unlike a complete exhaust replacement, these headers replace the exhaust manifold and catalyst sections while allowing the compatible downstream exhaust to remain in place.
The product is manufactured using precision fabrication methods and is checked in a dedicated fixture to maintain accurate installation fitment.
SOUL Performance supplies installation instructions and offers a manufacturer's lifetime warranty, subject to its published conditions.
Ideal for Porsche enthusiasts seeking improved engine response, stronger performance and a more engaging exhaust character, these Long Tube Street Headers provide a substantial upgrade to the factory exhaust manifold arrangement.
What This Product Does:
The exhaust headers collect combustion gases leaving the engine's cylinder heads and direct them into the remainder of the exhaust system.
In a naturally aspirated flat-six engine, the design of the exhaust runners and collectors can influence how efficiently exhaust gases leave the cylinders.
Reducing unnecessary restrictions and improving exhaust pulse behaviour can help the engine expel spent gases and prepare for the next intake and combustion cycle.
The SOUL Performance Long Tube Street Headers are designed to improve this process through their runner length, primary diameter and collector geometry.
Their main functions include:
- Collecting exhaust gases: Direct exhaust gases away from the engine's cylinder heads.
- Improving exhaust flow: Use smooth-radius tubing and optimised collectors to reduce unnecessary restrictions.
- Supporting exhaust scavenging: Help exhaust pulses travel through the runners in a more efficient manner.
- Improving throttle response: Support more responsive engine behaviour under acceleration.
- Increasing performance potential: Enable improved engine breathing, particularly at higher engine speeds.
- Enhancing exhaust sound: Produce a stronger, more distinctive flat-six exhaust character.
- Maintaining catalytic treatment: Incorporate high-flow catalytic converters in the exhaust path.
- Supporting high-RPM operation: Use runner and collector dimensions selected for the 3.8L GT4 engine.
- Maintaining downstream exhaust compatibility: Connect to the appropriate existing rear exhaust system.
- Providing durable exhaust construction: Use corrosion-resistant stainless steel designed for elevated temperatures.
- Supporting performance tuning: Provide improved exhaust flow that may complement a correctly developed ECU calibration.
- Enhancing driving engagement: Deliver a more pronounced engine response and soundtrack.
Why Upgrading Matters:
Replacing the original exhaust manifold and catalyst assemblies with SOUL Performance Long Tube Street Headers is primarily a performance-focused modification.
The upgrade is intended to improve exhaust efficiency, increase engine responsiveness and enhance the naturally aspirated Porsche flat-six soundtrack.
Improved Exhaust Flow
- The long-tube runners, smooth-radius bends and optimised collectors are designed to improve the movement of exhaust gases away from the cylinder heads.
- This helps reduce unwanted restrictions within the header assembly and supports more efficient engine breathing.
Increased Performance Potential
- SOUL Performance developed these headers specifically for the 3.8L engine used in the 981 Cayman GT4 and Boxster Spyder.
- The manufacturer reports independent Dyno Dynamics testing showing approximately 30 whp of improvement in a tuned configuration, including 12 whp of additional gain from the headers when tested after tuning.
- These results reflect the particular test vehicle and configuration. Individual results will vary.
Sharper Throttle Response
- Improved exhaust flow can contribute to more responsive engine behaviour, particularly when accelerating through the middle and upper engine speed ranges.
Enhanced Flat-Six Exhaust Sound
- The header design changes how exhaust gases travel through the system.
- This can produce a fuller, more pronounced and more sporting exhaust note.
- The final sound depends on whether the vehicle uses the original Porsche rear exhaust or another compatible aftermarket system.
High-Flow Catalytic Converter Design
- The integrated catalytic converters allow a performance-focused exhaust arrangement without removing the catalytic treatment stage entirely.
- Nevertheless, the manufacturer does not certify the product for all emissions-controlled road applications.
Stainless Steel Durability
- T304L stainless steel offers corrosion resistance and durability under repeated heating and cooling cycles.
Factory-Style Installation
- SOUL Performance designs these headers as a direct bolt-on replacement for the corresponding original exhaust manifold arrangement.
- No bespoke exhaust fabrication is advertised for a standard compatible installation, although access and removal of corroded hardware can make the work demanding.
Long-Term Performance Upgrade
- For Porsche owners seeking greater performance and a more distinctive driving experience, these headers offer an upgrade to a major part of the engine's exhaust system.
The product may also complement suitable ECU tuning and other performance exhaust modifications.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.GT4.STH
The product you are viewing cross references to these numbers
- Porsche Boxster 981 Spyder 3.8L 2016
- Porsche Cayman GT4 3.8L 2015-16
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12 Month Warranty
Worldwide Delivery
The SOUL Performance Bolt-On X-Pipe with Exhaust Tips is a premium aftermarket exhaust upgrade for Porsche Boxster and Cayman 987.2 and 981 models manufactured between 2009 and 2016.
Fits:
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
Designed to replace the original T-shaped exhaust outlet section, this system incorporates a smooth-flowing cast stainless steel X-pipe and a choice of exhaust tip styles and finishes.
The original Porsche rear exhaust outlet uses a T-shaped configuration that brings the exhaust gas streams together before they exit the vehicle.
SOUL Performance has developed an alternative X-pipe design intended to create a smoother transition between the exhaust streams, reducing turbulence at the outlet junction.
The result is a more efficient exhaust outlet arrangement with a deeper, smoother and more sporting sound.
Manufactured using cast T304L stainless steel, the X-pipe features smooth internal passages designed to promote exhaust flow and eliminate protruding weld material within the central crossover section.
The cast design also provides a robust construction intended to withstand repeated heating and cooling cycles, exhaust vibration and demanding driving conditions.
Rather than requiring the replacement of the entire rear silencer system, this product is designed to attach directly to the existing compatible factory exhaust.
This makes it an attractive upgrade for Porsche owners who appreciate the sound and character of their existing exhaust but want improved styling and a different exhaust tone.
A variety of exhaust tip designs and finishes allows the rear appearance to be personalised.
Depending on the selected configuration, available options include single-wall stainless steel tips, double-wall chrome-style tips and lightweight titanium tips.
The X-pipe is compatible with both standard factory exhaust systems and Porsche Sport Exhaust (PSE), retaining the existing rear silencer arrangement.
SOUL Performance designs its exhaust products for both road and track applications and provides a manufacturer's lifetime warranty, subject to the applicable warranty terms.
Ideal for Porsche enthusiasts seeking an exhaust styling upgrade, a more distinctive engine note and improved outlet flow without installing a complete aftermarket exhaust system.
What This Product Does:
The SOUL Performance X-pipe replaces the original T-shaped exhaust outlet junction with a smoother crossover design.
On the original system, exhaust gases from the two rear silencer outlets meet within the factory T-section before passing through the exhaust tips.
The SOUL X-pipe provides a more gradual path for these gases to merge and exit the vehicle.
This design is intended to reduce turbulence and produce a smoother exhaust flow.
Its primary functions include:
- Improving exhaust outlet flow: Provides a smoother internal route for exhaust gases leaving the rear silencers.
- Reducing turbulence: Replaces the factory T-junction with an X-shaped crossover.
- Refining the exhaust note: Produces a smoother and deeper exhaust character.
- Enhancing sporting sound: Adds a more pronounced exhaust tone, particularly during acceleration.
- Maintaining the factory rear silencers: Allows the original mufflers to remain installed.
- Preserving PSE compatibility: Works with Porsche Sport Exhaust-equipped vehicles.
- Improving rear-end styling: Replaces the factory exhaust outlet appearance with selected aftermarket tips.
- Providing exhaust tip customisation: Allows different styles, materials and finishes.
- Supporting efficient gas flow: Uses a smooth cast internal design to minimise unnecessary restrictions at the outlet junction.
- Providing durable construction: Uses stainless steel designed for exhaust-system conditions.
The X-pipe changes the outlet arrangement rather than replacing the catalytic converters, exhaust manifolds or complete rear silencer system.
Exhaust Sound Characteristics:
SOUL Performance describes the X-pipe as producing a more refined exhaust note.
Depending on the vehicle's engine, existing exhaust specification and selected driving mode, owners may notice:
- A deeper exhaust tone at idle.
- A fuller and more sporting sound during acceleration.
- A smoother exhaust character at higher engine speeds.
- More noticeable exhaust character under load.
- A change in the tonal balance of the original exhaust.
Why Upgrading Matters:
Many Porsche Boxster and Cayman owners choose the SOUL Performance X-Pipe even when their original exhaust outlet remains in good working condition.
The upgrade is designed to improve exhaust character and visual appearance without requiring the installation of a full aftermarket exhaust system.
Replacing the factory outlet arrangement with the SOUL X-pipe offers several benefits.
Improved Exhaust Flow
- The original T-shaped outlet brings the exhaust streams together through a comparatively abrupt junction.
- SOUL's cast X-pipe uses smooth internal passages to create a more gradual flow path.
- This is intended to reduce turbulence at the outlet and improve the efficiency of the exhaust junction.
Enhanced Exhaust Sound
- The X-pipe changes the way exhaust pulses interact before leaving the vehicle.
- This can create a deeper and smoother exhaust note, adding character while retaining the existing rear silencers.
Customised Rear Appearance
- The original exhaust tips can be replaced with a selection of premium tip designs.
- This allows owners to personalise the rear appearance of their Porsche with different finishes and shapes.
Retention of the Factory Exhaust
- The X-pipe is designed to bolt onto the compatible factory exhaust or Porsche Sport Exhaust system.
- This allows owners to modify the exhaust outlet without replacing the complete rear silencer assembly.
Durable Stainless Steel Construction
- The cast T304L stainless steel X-pipe provides a corrosion-resistant design for demanding exhaust operating conditions.
- Its smooth cast crossover avoids internal weld protrusions that could otherwise interfere with the exhaust gas path.
Potential Performance Benefits
- SOUL Performance states that the improved flow arrangement may contribute to minor improvements in performance and cruising efficiency.
- However, specific horsepower, torque or fuel economy gains are not guaranteed, and the manufacturer does not publish a verified performance figure for every individual application.
- The primary benefits should therefore be regarded as improved outlet flow, exhaust tone and appearance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.BC.XT.
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche Boxster 981 2.7L 2012-16
- Porsche Boxster 981 S / GTS 3.4L 2012-16
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
- Porsche Cayman 2.7L 981 2013-16
- Porsche Cayman S / GTS 3.4L 981 2013-16
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Worldwide Delivery
with High-Flow Catalytic Converters
Maximize the potential of the 992.2 Carrera with a non-valved exhaust system designed for serious sound and performance – perfect for the power seeker or track enthusiast. Built around a full 3″ flow path, our high-flow catted Performance Exhaust Systems will yield maximum power and aggressiveness while still maintaining as smooth of a tone and refined character as possible.
• Fits Porsche 911 (992.2) Carrera (Base/ T / S) models 2025
• All Soul Performance Products components are backed by a renowned Lifetime Warranty for both street and track use
• Designed and built in-house at our Willow Grove, PA facility
• Weighs 6.5 lbs / 2.9 kg less than factory exhaust components (36.45 lbs (catless) vs 42.95 lb)
Take your Porsche 992.2 Carrera to the next level with the SOUL Performance Turbo-Back Exhaust System—engineered for track junkies, thrill seekers, and serious Porsche enthusiasts who demand maximum power, sound, and performance.
Unlike our Valved Exhaust System, this is a non-valved, turbo-back design that delivers a richer, smoother, and higher-pitched exhaust note under all driving conditions. Available in two configurations, the Street Version features our high-flow SOUL Sport Catalytic Converters for improved sound and power, while the Competition Setup does not include sport cats and offers uncompromised track performance.
Built with full 3-inch tubing throughout, including a precision-engineered 992.2 Carrera X-Pipe muffler section, this system maximizes exhaust flow while enhancing drivability. Dual resonators refine the exhaust note, and integrated Helmholtz anti-drone tubes minimize resonance in the 2,000–2,400 RPM range for a smoother experience.
To prevent check-engine lights, the factory valves are mounted on a custom bracket that mimics OEM functionality - even though the system itself is non-valved. This is a complete turbo-back solution, not a modular setup.
It is not compatible with the Porsche factory exhaust or any other SOUL exhaust components. It is designed for enthusiasts looking for an all-in-one solution or those planning future upgrades such as larger turbos and fueling systems.
Key Benefits:
• Aggressive turbo-back design for maximum power and performance
• Integrated Helmholtz anti-drone tubes reduce cabin resonance
• Full 3-inch tubing for optimal exhaust flow and sound quality
• Future-proof design supports larger turbo and fueling upgrades
Whether on the street or the racetrack, the SOUL Performance Exhaust System unleashes the full character and performance of your Porsche flat-six engine.
Construction: The Porsche 911 is a precision-built machine that is designed for a lifetime of driving excitement. We believe it should have an exhaust system that meets or exceeds the lofty quality standards set by Porsche. That is why each 992.2 SOUL Performance exhaust system is proudly built in the USA using mandrel-bent, thick-wall .065″ T304L stainless steel for maximum durability, strength, and performance.
Back-purged TIG welding with ARCAL™ Prime argon gas ensures maximum weld penetration, strength, and long-term durability under extreme conditions. Each water jet–cut flange is manufactured to ISO 9001:2015 standards with ultra-tight tolerances of +/-0.003 inches, guaranteeing exact alignment.
We fabricate this exhaust using thick-gauge aluminum fixtures that act as efficient heat sinks during the welding process. This not only prevents distortion and warping of the exhaust components but also preserves fixture integrity. The result is a high-performance exhaust system engineered for precision, longevity, and seamless installation every time.
Bolt On and Go: The SOUL Performance Exhaust System offers a richer, smoother tone. It is built to last a lifetime, and it is a breeze to install. Every performance exhaust component undergoes rigorous quality control and is fixture-tested to guarantee precise fitment. To ensure your order arrives safely, all parts are carefully foam-packed and protected in transit, so you receive your exhaust system in perfect condition and ready to install.
Lifetime Warranty: SOUL Performance exhaust systems are backed by a Lifetime Warranty for both street and track use!
Please note: This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.9922.SESX
The product you are viewing cross references to these numbers
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2S 3.0L 2024>>
- Porsche 992.2 Carrera T 3.0L 2024>>
- Porsche 992.2 Carrera 4S 3.0L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
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12 Month Warranty
Worldwide Delivery
Gain a significant sound improvement over factory PSE under all driving conditions with the SOUL Valved Exhaust. A large diameter X-pipe in the primary flow path allows for a refined amount of aggression while a bespoke X-pipe muffler induces a smooth exhaust note as the valves close.
• Fits Porsche 911 (992.2) Carrera (Base/ T / S) models 2025
• All Soul Performance Products components are backed by a renowned Lifetime Warranty for both street and track use
SOUL Valved Exhaust System for Porsche 992.2 Carrera – Unlock the True Sound of the Flat-Six
Take your Porsche 992.2 Carrera to the next level with the SOUL Valved Exhaust System. Designed specifically for the latest generation of the iconic 911, this performance exhaust delivers the sound and emotion missing from the factory setup. Stricter emissions regulations have made the OEM exhaust more restrictive than ever—muting the character of the flat-six. Our cat-back solution restores the legendary Porsche tone with a richer, higher-pitched note that’s aggressive when you want it yet refined enough for daily driving.
Engineered with a precision X-Pipe muffler, the system eliminates unwanted drone in the 2,000–2,400 RPM range while enhancing exhaust flow for improved sound and responsiveness. Whether your 992.2 is equipped with Porsche Sport Exhaust (PSE) or not, this system integrates seamlessly with factory valves and hardware. It’s also fully compatible with SOUL Sport Catalytic Converters and future upgrades.
Key Benefits:
• Deeper, smoother, higher-pitched sound without excessive volume
• No drone design thanks to our proprietary X-Pipe 992.2 Carrera muffler
• Full valve functionality for factory-like operation
• Modular compatibility with OEM cats or SOUL Sport Cats
Experience the exhaust note your Porsche 911 deserves—crafted for enthusiasts who demand both performance and refinement.
Construction: The Porsche 911 is a precision-built machine that is designed for a lifetime of driving excitement. We believe it should have an exhaust system meets or exceeds the lofty quality standards set by Porsche. That is why each 992.2 valved exhaust system is proudly built in the USA using mandrel-bent, thick-wall .065″ T304L stainless steel for maximum durability, strength, and performance.
Back-purged TIG welding with ARCAL™ Prime argon gas ensures maximum weld penetration, strength, and long-term durability under extreme conditions. Each water jet–cut flange is manufactured to ISO 9001:2015 standards with ultra-tight tolerances of +/-0.003 inches, guaranteeing exact alignment.
We fabricate this exhaust using thick-gauge aluminum fixtures that act as efficient heat sinks during the welding process. This not only prevents distortion and warping of the exhaust components but also preserves fixture integrity. The result is a high-performance exhaust system engineered for precision, longevity, and seamless installation every time. It is an exhaust befitting a Porsche.
Bolt On and Go: The SOUL Valved Exhaust System offers a richer, smoother tone. It is built to last a lifetime, and it is a breeze to install. Every performance exhaust component undergoes rigorous quality control and is fixture-tested to guarantee precise fitment. To ensure your order arrives safely, all parts are carefully foam-packed and protected in transit, so you receive your exhaust system in perfect condition and ready to install. And that installation is a snap. Each system includes brand-new high-grade hardware and valve adapters for hassle-free installation.
Lifetime Warranty: Don’t be afraid to push your 992.2 Porsche at the racetrack. SOUL performance exhaust systems are backed by a Lifetime Warranty for both street and track use!
Please note: This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.9922.VES
The product you are viewing cross references to these numbers
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2S 3.0L 2024>>
- Porsche 992.2 Carrera T 3.0L 2024>>
- Porsche 992.2 Carrera 4S 3.0L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
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Open up more blow off valve sound on your 992.2 GTS with the SOUL Charge Pipe. No CEL, No Tune required. Just bolt on and go!
• Fits all 992.2 Porsche 911 Carrera GTS Models (2025+)
• No CEL / No OBD Killer Required
• Designed and built in-house at our Willow Grove, PA facility completely out of stainless steel.
• All Soul Performance Products components are backed by a renowned Lifetime Warranty for both street and track use
SOUL 992.2 GTS Vent to Atmosphere Charge Pipe
The Porsche 992.2 Carrera GTS represents a bold leap forward in 911 innovation. It’s the first 911 ever to feature an electrically driven turbocharger — a cutting-edge system that uses an integrated electric motor between the compressor and turbine wheels to eliminate lag and deliver near instant boost.
However, Porsche’s use of a rubber charge tube for this advanced system leaves room for improvement. The OEM rubber tube is cost-effective but prone to flexing and swelling under boost, causing airflow inefficiencies that reduce the turbo’s responsiveness and power delivery.
The SOUL 992.2 GTS Vent to Atmosphere Charge Pipe solves these issues with a 6061-billet aluminum pipe that’s built for long-term durability and optimized airflow. Unlike the stock rubber tube, our aluminum pipe is rigid and will not flex under any boost conditions. The included blow-off valve (BOV) ensures the safe release of excess air to the atmosphere.
This upgrade not only enhances reliability but also allows the turbo to spool more freely for quicker response and improved throttle feel. As a bonus, the system delivers enhanced turbo “whoosh” sounds, adding excitement and a more visceral connection between driver and machine.
Key Benefits:
• Superior Durability: Crafted from billet 6061 aluminum for maximum heat and pressure resistance - no flexing like the OEM rubber tube
• Improved Turbo Response: Increased airflow allows the electric turbo to spool faster for sharper throttle reaction and smoother power delivery
• Enhanced Turbo Sound: Enjoy more pronounced vent-to-atmosphere “whoosh” sounds for a more engaging driving experience
• Precision Fitment: Direct bolt-on design engineered specifically for the 992.2 GTS for seamless OEM system integration
• Performance-Driven Design: Built to handle the increased demands of tuning, track use, or spirited driving
Upgrade your Porsche 992.2 Carrera GTS with the SOUL Vent to Atmosphere Charge Pipe - the ultimate solution for drivers who demand performance, reliability, and sound that match the innovation of the world’s first electrified Porsche 911.
Construction: The 992.2 Carrera GTS is the most advanced 911 GTS ever—and our SOUL 992.2 GTS Vent to Atmosphere Charge Pipe is engineered to match. Every system is proudly handcrafted in the USA, built from billet block of 6061 aluminum for exceptional strength and reliability.
Bolt On and Go: The SOUL 992.2 GTS Vent to Atmosphere Charge Pipe offers increased turbo sounds and more responsiveness. It is built to last a lifetime, and it is a breeze to install. Every charge pipe component undergoes rigorous quality control and is fixture-tested to guarantee precise fitment. To ensure your order arrives safely, all parts are carefully foam-packed and protected in transit, so you receive your exhaust system in perfect condition and ready to install.
Lifetime Warranty: SOUL 992.2 GTS Vent to Atmosphere Charge Pipes are backed by a Lifetime Warranty for both street and track use! And our dedicated support team is always ready to answer questions you may have and provide quick solutions in the unlikely event that you should experience an issue. We are here to ensure you enjoy unmatched reliability and peace of mind with every mile.
Please note: This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
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POR.9922GTS.VTACP
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