Please wait… 
Please wait while we process your order,
do not press the back button… 
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 Fitting Kits

Refine by Car Type
Filter by brand
DISPLAYING 1 to 4 (of 9 products)
1 2 3
EXHFITTING.991.1.4T
Product Information
Product Information
Exhaust Clamps in Titanium.   (SET OF 4)

Fits:
Porsche 991.1 Carrera 2 / Carrera 4 MKI 2012>>2016
Porsche 991.1 Carrera 2S / Carrera 4S MKI 2012>>2016

Kit Includes:
2 x Centre Silencer To Side Silencer Clamps (Diagram Ref 13)
2 x Tailpipe Clamps (Diagram Ref 27)

*Click On The Image To See A Large Parts Diagram*

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Related, superseded, cross reference or alternative numbers for comparison.

EXHFITTING.991.1.4T
99711152000
99711124030

The product you are viewing cross references to these numbers
EXHFITTING.991.1.1
Product Information
Product Information
Exhaust Fitting Kit For Rear Silencers And Centre Silencer.

Fits:
Porsche 991.1 Carrera 2 / Carrera 4 MKI 2012>>2016
Porsche 991.1 Carrera 2S / Carrera 4S MKI 2012>>2016

Kit Includes:
2 x Cat To Silencer Gaskets (Diagram Ref 5)
6 x Cat To Silencer Gasket Bolts (Diagram Ref 45)
6 x Cat To Silencer Gasket Nuts (Diagram Ref 6)
2 x Centre Silencer To Side Silencer Clamps (Diagram Ref 13)
2 x Tailpipe Clamps (Diagram Ref 27)

*Click On The Image To See A Large Parts Diagram*

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Related, superseded, cross reference or alternative numbers for comparison.

EXHFITTING.991.1.1
99111148200
99711152000
99711124030
N 01024426
N01024426
90091000303
N91130802
N 91130802

The product you are viewing cross references to these numbers
EXHFITTING.991.1.1T
Product Information
Product Information
Exhaust Fitting Kit For Rear Silencers And Centre Silencer with Titanium clamps

Fits:
Porsche 991.1 Carrera 2 / Carrera 4 MKI 2012>>2016
Porsche 991.1 Carrera 2S / Carrera 4S MKI 2012>>2016

Kit Includes:
2 x Cat To Silencer Gaskets (Diagram Ref 5)
6 x Cat To Silencer Gasket Bolts (Diagram Ref 45)
6 x Cat To Silencer Gasket Nuts (Diagram Ref 6)
2 x Centre Silencer To Side Silencer Clamps (Diagram Ref 13)
2 x Tailpipe Clamps (Diagram Ref 27)

*Click On The Image To See A Large Parts Diagram*

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Related, superseded, cross reference or alternative numbers for comparison.

EXHFITTING.991.1.1T
99111148200
99711152000
99711124030
N 01024426
N01024426
90091000303
N91130802
N 91130802

The product you are viewing cross references to these numbers
EXHFITTING.991.1.2
Product Information
Product Information
Exhaust Manifold fitting kit. 

Contains all necessary gaskets, nuts & bolts. 

Parts included: 

18 x Exhaust manifold bolt M8x21 (99907353502)
2 x Exhaust manifold gasket. (99711110731) 
2 x Exhaust gasket centre box to cat. (99111148200)
6 x Exhaust M8 nut (90091000303) 
6 x Exhaust Manifold to Catalytic Converter Bolt. (N01024426)


Fits:
Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
Porsche 991.1 Carrera C2S 3.8L (400Bhp) 2012-16
Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16



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

EXHFITTING.991.1.2
99907353502
99711110731
99111148200
90091000303

The product you are viewing cross references to these numbers
DISPLAYING 1 to 4 (of 9 products)
1 2 3
Also found on these pages
About Exhaust Fitting Kits

Exhaust Fitting Kits for Porsche | Complete Installation & Repair Solutions

The exhaust fitting kit is an essential component of any exhaust installation, replacement, or upgrade. It ensures that all joints, clamps, seals, and brackets in your Porsche’s exhaust system are correctly aligned and securely fastened, preventing leaks and maintaining proper exhaust flow.

At Design911, we supply a wide range of exhaust fitting kits designed to match Porsche exhaust systems with manufacturer-level accuracy. Each kit includes high-quality gaskets, clamps, bolts, nuts, seals, and mounting hardware, ensuring a professional, leak-free fit — whether you’re restoring a classic 911 or maintaining a modern performance model.

Our fitting kits are manufactured to exact tolerances from corrosion-resistant materials, guaranteeing a long-lasting seal and reliable performance under high-temperature, high-pressure conditions.

What Do Exhaust Fitting Kits Do?

An exhaust fitting kit provides the components required to properly install, secure, or replace sections of your Porsche’s exhaust system. These parts ensure stability, prevent vibration, and maintain airtight joints for optimum exhaust efficiency.

Core Functions:

  • Seals exhaust joints to prevent gas leaks and noise.
  • Secures exhaust components such as pipes, silencers, and catalytic converters.
  • Reduces vibration and movement caused by engine motion.
  • Ensures proper exhaust alignment for optimal flow and pressure balance.
  • Maintains performance and compliance with emissions standards.

Using a dedicated Porsche exhaust fitting kit ensures your system functions exactly as intended — improving both performance and reliability.

Why Do Exhaust Fitting Components Fail?

Due to constant exposure to heat, vibration, and corrosive exhaust gases, fitting components are prone to wear over time.

Common Causes of Failure Include:

  • Rust and corrosion from road salt or moisture.
  • Thermal fatigue from repeated heating and cooling cycles.
  • Loose fittings causing leaks or rattles.
  • Worn seals or gaskets leading to reduced exhaust pressure.
  • Cracked or weakened clamps and bolts from prolonged vibration.

A failing fitting kit can lead to loud exhaust noise, loss of performance, emission leaks, or even component misalignment. Replacing these parts is essential for safety, efficiency, and sound quality.

Why Replace or Upgrade Your Exhaust Fitting Kit?

Replacing old or damaged fitting components with precision-engineered replacements ensures your Porsche’s exhaust system performs at its best.

Key Benefits:

  • Restores proper exhaust sealing and flow.
  • Reduces exhaust leaks and unwanted noise.
  • Improves durability and vibration resistance.
  • Crafted from high-grade stainless steel and heat-resistant materials.
  • Compatible with standard and performance exhaust systems.
  • Direct-fit design for Porsche 911, Cayman, Boxster, Panamera, Macan and more.

Whether installing a new exhaust system or carrying out maintenance, using a complete fitting kit guarantees a professional finish and long-lasting results.

Highlights:

  • Complete exhaust fitting kits for Porsche models.
  • Includes clamps, bolts, gaskets, and seals for perfect alignment.
  • Designed for precision fitment and long-term reliability.
  • Prevents leaks and optimises exhaust pressure balance.
  • Ideal for exhaust upgrades, repairs, and restorations.
  • Manufactured from corrosion- and heat-resistant materials.

You may also like
Popular Models