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Catalyst / Bypass

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DISPLAYING 1 to 8 (of 8 products)
Sports Exhaust Switchable & Bypass Pipe Package (adds25 to 30 bhp) Porsche 997 GEN2 C2 / C4 / C4S
Code: EXHAUSTKIT23
Sports Exhaust VALVETROINC + X-Pipe Design Sports Cat bypass Package

DesignTek Valvetronic sports exhaust system gives smooth high torque feel to the wheels with the valves opened, +8HP/10 ft-lbs of torque to the wheels with the valves closed. Made from high quality 14-16 gauge T304 stainless steel, hydro-formed muffler cases, radiuses stressed relieved with 2000 degree ceramic fiber and stainless steel wool packed free flow mufflers.

Valvetronic
High-Performance Rear Exhaust with sound switch:
● Push the sound-button between:
Switch closed: Deep Sports Turbo Sound

Switch opened: Perfect Racing Sports Sound

DesignTek X-Pipe (primary muffler bypass) deletes the stock primary muffler and saves 6.4 lbs. from the rear of the vehicle. With a fast air flow the X-pipe increases BHP and Toque.

Made from high quality T304 14-16 gauge stainless steel, C.N.C. mandrel bent. The X-Pipe (primary muffler bypass) gives a great exotic car sound and power by about 5 decibels.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

EXHAUSTKIT23
3606009719
3606009717

The product you are viewing cross references to these numbers
About this kit
Kit
AWE Performance exhaust cross over pipes for Porsche 997.2 Carrera / S
Code: 3010-11010
AWE Performance exhaust cross over pipes.

awe

Fits:
Porsche 997.2 (911) Carrera / S 3.6L - 3.8L

• Power Enhancement Bolt On
• P6.5lbs weight savings
• P5hp and 5 lb ft increase
• P100% T304 Stainless Steel Construction
• PPerfect Fitment - Guaranteed

For 2009-> 997.2 owners looking to eliminate the rear muffler, we offer Cross Over Pipe sections ...

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3010-11010
3010-11010
3010

The product you are viewing cross references to these numbers
Special Offer
Exhaust cat-back competition race x-pipe. Porsche 997.2 GT3 / GT3 RS
Code: FSPOR9972GT3CRX
Fabspeed Exhaust cat-back competition race x-pipe.

fabspeed

The ultimate lightweight cat-back exhaust system for the 997.2 GT3 saves 54lbs (24.4kg) off the rear of the vehicle and is perfect for competitive track use, high performance drivers education events, or aggressive street sound.

FEATURES:

Fits all Porsche 997.2 GT3 / GT3 RS models (2010-2011)
• Perfect exhaust solution for maximum performance and sound during competitive track use, high performance drivers education events, or simply achieving an aggressive and exciting street sound.
• Saves over 54lbs (24kg) from the rear of the 997.2 GT3 which improves handling and acceleration by replacing the bulky factory center muffler and side mufflers
• Engineered and manufactured with 3" (76mm) T304L stainless steel tubing with integral tuned center X-Pipe to 70mm outlets.
• Bolt-on installation' no cutting or welding required
• Options of 4" Carbon Fiber Tips or 4" Stainless Steel Brushed Tips
• Includes two (2) 90 degree Turndown Tips for track use.
• All Fabspeed performance products are backed by Fabspeed's Limited Lifetime Warranty

NOTE: This is a straight pipe, racing oriented exhaust system built to be light and make power. As a result, the volume level will be very high inside the vehicle.

Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.

Please note: sports catalytic converters or bypass pipes do have type approval and may not be legally installed on vehicles manufactured after 1st March 2001. They can not be used on a public road and are not MOT compliant, they are designed for race and track cars only. 


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

FSPOR9972GT3CRX
99711102792
99711102793
99711102797
99711102780
99711102799
99711104794
99711104797
99711104782
99711104784
99711104894
99711104897
99711104882
99711104884
99711104798
99711104785
99711104898
99711104885

The product you are viewing cross references to these numbers
Best Price
Exhaust Center Muffler Bypass Pipe. Porsche 997.2 GT3 / GT3 RS
Code: FSPOR9972GT3CMB
Exhaust Centre Muffler Bypass Pipe

fabspeed

Direct replacement for the failure-prone OEM muffler providing improved flow, weight savings, and aggressive sound. Our new talk-pipe design blends the exhaust from the right and left cylinders creating an incredible smooth blended sound, and our simplified two-bolt mounting system makes installing easier than ever!

FEATURES:

Fits all Porsche 997.2 GT3 / GT3 RS vehicles (2010-2012)
• Adds 10 whp and 6 ft-lbs of torque increasing throttle response
• Saves 10 lbs from the rear of the vehicle
• Retains Sport Mode control button when used with factory side mufflers
• 14-16ga T304 Stainless Steel construction
• Includes 4" Deluxe Dual Style Tips in your choice of Carbon Fiber, Polished Stainless or Satin Black, or you can opt to use your OEM tips
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty

Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

FSPOR9972GT3CMB
99711102792
99711102793
99711102797
99711102780
99711102799

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Best Price
Exhaust Headers Cat Bybass Porsche 997 GT3 / GT3RS - DesignTek
Code: 3606309706
DesignTek Headers Cat Bybass

designtek

Fits:
Porsche 997 GT3 / GT3RS 2007>>

High quality T304 Stainless steel equal length headers C.N.C. mandrel bent, computer numerical controlled mandrel bending equipment. The headers come complete with the provision for the before and after lambda sensors. As the vehicle will not be using the reading from these sensors the ECU will need to be re-programmed or re-mapped.
The Designtek are designed for maximum flow with no restriction. The headers are designed to produce more torque and horsepower across the Rev range. This products is designed for track cars and highly tuned vehicles

Please note: sports catalytic converters or bypass pipes do have type approval and may not be legally installed on vehicles manufactured after 1st March 2001. They can not be used on a public road and are not MOT compliant, they are designed for race and track cars only. 


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606309706
99711302191
997113021AX
99711302291
997113022AX
99711302194
997113021BX
99711302197
997113021CX
99711302294
997113022BX
99711302297
997113022CX

The product you are viewing cross references to these numbers
Best Product
Exhaust manifold with cat bypass. Porsche 997.2
Code: 3606109978
Exhaust manifold with cat bypass. These headers are offroad use only.

designtek

Fits:
Porsche 997.2 Carrera 2009-12

Made out of 304 grade stainless steel and would provide gains of 15 BHP. Remapping of the car after fitment is highly recomended.

Please note: These sport cats will make your car sound louder than with stock cats. If you have ,or intend to install sport silencers, you may find the car is a bit loo loud. We recommend to use one sport exhaust component if you are concerned about decibel levels.

Please note: sports catalytic converters or bypass pipes do have type approval and may not be legally installed on vehicles manufactured after 1st March 2001. They can not be used on a public road and are not MOT compliant, they are designed for race and track cars only. 


Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606109978
99711310932
997113109AX
99711311032
997113110AX

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Best Product
Lambda Sensor Blanking Plug and Receiver Socket. Porsche 996 / 997
Code: 100390100392
Lambda Sensor Blanking Plug and Receiver Socket Set.
In case you need to relocate your existing lambda probe because it's not in the right location. Welding and cutting specialist required.


Fits:
Many Porsche vehicles. Universal kit.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

100390100392
100390
100392

The product you are viewing cross references to these numbers
Best Price
Sport Exhaust Center Section for 997GT3, 997GT3 RS and GT3 Cup cars DesignTek
Code: 3606609717
DesignTek Sport Center Section for 997GT3, 997GT3 RS and GT3 Cup cars - Stainless Steel Polished with Matt Black pipes

designtek

This sports centre sections is a direct bolt on replacement, you don't even need to removal of bumper, Proprietary megaphone design- mandrel bent tubing which saves 14 lbs over the stock center section ( GT3 , RS with Ti center muffler saves 5 lbs )
Sport button remains fully functional for every day use, absolutely NO modifications. This system offers a deep aggressive exhaust note over the Porsche stock system the factory primary mufflers, catalyst and exhaust flaps are all retained

The DesignTek Sport Center Section system is a direct bolt on replacement center section which reduces weight, improves sound and offers a mild increase in performance. Porsche has done a wonderful job with the design and manufacture of the factory system with virtually no improvement to be made by installing a complete (mufflers, headers and cats) aftermarket system.

Direct bolt on replacement center section with dual 3.5 stainless tips (factory offers dual 3"). The system is made of mandrel bent T304 stainless tubing which is TIG welded and features a proprietary megaphone design to improve sound in the upper RPM range. The system saves over 14 lbs of weight over the stock ( stock gt3) and (5 lbs over GT3RS with Ti muffler), power is up 3-5 hp on average and now the sound is finally worthy of this magnificent engine.

Fits:
Porsche 997 GT3 / GT3RS 2007>>

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

3606609717
99711102790
99711102792
99711102793
99711102797
99711102780
99711102799
55-PS115
126255

The product you are viewing cross references to these numbers
Best Product
DISPLAYING 1 to 8 (of 8 products)
Also found on these pages
About Catalyst / Bypass

Title: Porsche Exhaust Catalyst and Bypass Sports Catalyst: Technical Specifications and Benefits

Key Points:

Enhanced Performance: Upgrading your Porsche's exhaust catalyst or opting for a bypass sports catalyst can significantly improve performance by increasing horsepower and torque output. These aftermarket options are designed to optimize exhaust flow, resulting in improved engine efficiency and throttle response.

Enhanced Sound: An original Porsche or aftermarket exhaust catalyst can enhance the auditory experience of your vehicle. They offer a deeper, more aggressive exhaust note, providing a sportier sound that complements the performance-oriented nature of a Porsche.

Compliance with Emissions Standards: When purchasing an exhaust catalyst, it is crucial to consider its compliance with local emissions regulations. Porsche exhaust catalysts are engineered to meet strict emissions standards, ensuring that your vehicle remains environmentally friendly while delivering enhanced performance.

Quality and Durability: Original Porsche exhaust catalysts are manufactured to the highest standards, ensuring exceptional quality and durability. Aftermarket options from reputable brands also offer similar reliability, providing a long-lasting solution for your Porsche's exhaust system.

Easy Installation: Both original Porsche and aftermarket exhaust catalysts are designed to be direct replacements, making installation relatively straightforward. However, it is essential to follow the manufacturer's instructions or seek professional assistance to ensure proper fitment and optimal performance.

At Design911, we understand the importance of finding the correct part for your Porsche and providing the best professional advice. Our dedicated team of experts specializes in Porsche parts and accessories, including exhaust catalysts. With our extensive knowledge and experience, we can assist you in finding the right exhaust catalyst or bypass sports catalyst for your Porsche model, taking into account your specific requirements and local regulations. We are committed to delivering top-quality products and ensuring customer satisfaction. Contact us today for personalized assistance and an enhanced driving experience with your Porsche.

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