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Design911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png +443456003478 https://www.design911.co.uk Facebook Instagram

Exhaust Package

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DISPLAYING 1 to 4 (of 10 products)
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EXHFITTING.997.2.2
Product Information
Product Information
Exhaust fitting kit.

oematch

Fits:
Porsche 997 MKII Carrera 3.6L 2009>>
Porsche 997 MKII Carrera S 3.8L 2009>>

Kit Includes:
2 x Header Gaskets (Diagram Ref 2)
2 x Header to Cat Gaskets (Diagram Ref 8)
2 x Cats to Muffler Clamps (Diagram Ref 16)


*Click on the image to see a large parts diagram.

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Related, superseded, cross reference or alternative numbers for comparison.

EXHFITTING.997.2.2
99711111330
99711110730
99711122030
99711110731

The product you are viewing cross references to these numbers
EXHFITTING.997.2.4
Product Information
Product Information
Exhaust fitting kit for rear silencers and centre silencer  (22 Parts kit)

Fits:
Porsche 997 MKII Carrera 3.6L 2009>>
Porsche 997 MKII Carrera S 3.8L 2009>>

Kit Includes:
2 x Cat to silencer gaskets (Diagram Ref 8)
6 x Cat to silencer gasket bolts (Diagram Ref 34)
6 x Cat to silencer gasket nuts  (Diagram Ref 11)
2 x Centre silencer straps (Diagram Ref 12)
2 x Centre silencer strap bolts (Diagram Ref 13)
2 x Centre silencer to side silencer clamps (Diagram Ref 16)
2 x Tailpipe clamps (Diagram Ref 22)

*Click on the image to see a large parts diagram.

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Related, superseded, cross reference or alternative numbers for comparison.

EXHFITTING.997.2.4
99711111330
90091000303
99711311931
90006736201
99711122030
99711124030
90007536502
N01024426
N 01024426

The product you are viewing cross references to these numbers
EXHFITTING.997.2.5
Product Information
Product Information
Exhaust fitting kit for rear silencers and centre silencer  (18 Parts kit) 

Fits:
Porsche 997 MKII Carrera 3.6L 2009 - 2012
Porsche 997 MKII Carrera S 3.8L 2009 - 2012

Kit Includes:
2 x Cat to silencer gaskets (Diagram Ref 8)
6 x Cat to silencer gasket bolts (Diagram Ref 34)
6 x Cat to silencer gasket nuts  (Diagram Ref 11)
2 x Centre silencer to side silencer clamps (Diagram Ref 16)
2 x Tailpipe clamps (Diagram Ref 22)

* Click on the image to see a large parts diagram.

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

EXHFITTING.997.2.5
99711111330
90091000303
99711122030
99711124030
90007536502
N01024426
N 01024426

The product you are viewing cross references to these numbers
EXHAUSTKIT38
Product Information
Product Information
Sports Exhaust + X-Pipe bypass Package

DesignTek sports exhaust system. 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.

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.

EXHAUSTKIT38
3606009719
99722097331S

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 10 products)
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About Exhaust Package

Exhaust System Packages for Porsche | Performance, Precision & Sound

A well-designed exhaust system package is essential for maintaining your Porsche’s performance, efficiency, and distinctive exhaust tone. These complete systems replace worn or restrictive exhaust components with precision-engineered, high-flow assemblies that restore or enhance power delivery and sound quality.

At Design911, we offer a comprehensive selection of exhaust system packages for Porsche models — from classic 911s to modern GT-series vehicles. Each package includes key components such as silencers, manifolds, catalytic converters, and pipework, designed for optimal gas flow, reduced back pressure, and improved throttle response.

Manufactured from premium stainless steel, Inconel, or titanium, our exhaust kits are built for durability, corrosion resistance, and superior acoustic performance. Whether you’re restoring a vintage air-cooled model or tuning your track-ready GT3, these exhaust systems deliver a perfect balance of reliability, performance, and sound.

What Do Exhaust System Packages Do?

An exhaust system package channels exhaust gases away from the engine efficiently while controlling noise and emissions. A properly designed system ensures optimal engine breathing — improving power, torque, and overall efficiency.

Core Functions:

  • Directs exhaust gases safely from the engine.
  • Reduces back pressure to maximise power output.
  • Controls emissions via catalytic converters and mufflers.
  • Enhances exhaust tone for an authentic Porsche sound.
  • Optimises gas flow for performance and reliability.

An upgraded exhaust system can also provide weight reduction, improved throttle response, and enhanced driving enjoyment.

Why Do Exhaust Systems Fail?

Over time, even the most durable exhaust systems deteriorate due to constant exposure to heat, vibration, and the elements.

Common Causes of Exhaust System Failure Include:
Corrosion and rust, especially on mild steel systems.

  • Cracks or leaks caused by vibration and thermal stress.
  • Worn gaskets or clamps leading to exhaust leaks.
  • Clogged catalytic converters reducing flow and performance.
  • Broken hangers or mounts causing misalignment.

When exhaust components fail, you may notice rattling sounds, loss of performance, strong fumes, or increased fuel consumption — all signs that replacement is needed.

Why Replace or Upgrade Your Exhaust System?

Replacing or upgrading your Porsche’s exhaust system ensures maximum performance, efficiency, and driving enjoyment.

Key Benefits:

  • Restores optimal gas flow and back pressure.
  • Improves horsepower and torque.
  • Enhances sound and throttle response.
  • Reduces weight for improved handling.
  • Prevents leaks and emissions issues.
  • Crafted from corrosion-resistant, high-grade materials.
  • Direct-fit design for Porsche 911, Cayman, Boxster, Panamera, Macan and more.

Whether for performance tuning, restoration, or replacement, Design911’s exhaust system packages deliver the sound, precision, and reliability Porsche owners expect.

Highlights:

  • Complete exhaust system packages for all Porsche models.
  • Includes manifolds, silencers, catalytic converters, and pipes.
  • Manufactured from stainless steel, Inconel, or titanium.
  • Engineered for maximum performance and sound.
  • Precision-fit designs for simple installation.
  • Ideal for performance upgrades or restorations.

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