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Design 911 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.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram

Exhaust Fitting Kits

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DISPLAYING 1 to 6 (of 6 products)
MANIFOLDKIT993
Product Information
Product Information

Exhaust heat exchanger fitting kit. Includes studs and nuts made out of titanium.

These titanium components are resistant to rust and corrosion, which can be a common issue with traditional steel studs and nuts. This corrosion resistance ensures that the studs and nuts maintain their integrity, allowing for easy removal and installation when necessary. They are the perfect upgrade for Porsche enthusiasts who demand the ease of access to vehicle's exhaust system.

rohler

Fits:
Porsche 993
FITTINGKIT34
Product Information
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Mounting Kit for Rear Exhaust. With 2 seal rings.

oematch

Fits:
Porsche 993 C2 / C4 - 1994 to 1998
Porsche 993 C2S / C4S / RS - 1994 to 1997

Kit includes:
2 x Retaining strap
2 x Retaining strap bolts
4 x Sealing ring, Ø52x64x26mm, stainless steel
4 x Clamp with bolts, M19202-02, stainless steel



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Related, superseded, cross reference or alternative numbers for comparison.

FITTINGKIT34
99311111907
92811142700
92811124605
92811124606
92811124607
90007425202
99902512509
99908405202
90006736201

The product you are viewing cross references to these numbers
93400KIT
Product Information
Product Information
Mounting kit for cross pipe set.

oematch

Fits:
Porsche 993/993 - 4S SPORT (not turbo) Bischoff 3.6L-3.8L 10/1993-09/1997

Kit included:
2x Clamp, M19202-02, stainless steel,
2x Large gasket for mounting heat exchanger to intermediate tube
2x Bolt, M8x1.25x65mm
6x Bolt, M8x1.25x37mm
8x Lock nut, M8x1.25mm
93410KIT
Product Information
Product Information
Mounting Kit for Cross Pipe Set.

oematch

Fits:
Porsche 993/993 - 4S SPORT (not turbo) Gillet 3.6L-3.8L 10/1993-09/1997

Kit included:
2x Sealin ring, Ø52x64x26mm, stainless steel
2x Clamp, M19202-02, stainless steel,
2x Gasket
2x Bolt, M8x1.25x65mm
6x Bolt, M8x1.25x37mm
4x Washer, Ø16.8x8.5x3mm
6x Lock nut, M8x1.25mm
93300KIT
Product Information
Product Information
Mounting Kit for Rear Exhaust. Without rings.

oematch

Fits:
Porsche 993 All types.

Kit included:
2x Restraing strap
4x Clamp, M19202-02, stainless steel
2x Bolt, M8x1.25x50mm
4x Bolt, M8x1.25x65mm
4x Lock Nut, M8x1.25mm
8x Washer, 16.8x8.5x3mm
93301KIT
Product Information
Product Information
Mounting Kit for Rear Exhaust. With 2 rings.

oematch

Fits:
Porsche 993 C2 / C4 / C2S / C4S / RS


Kit included:
2x Restraing strap
2x Sealing ring, Ø52x64x26mm, stainless steel
4x Clamp, M19202-02, stainless steel
2x Bolt, M8x1.25x50mm
4x Bolt, M8x1.25x65mm
4x Lock Nut, M8x1.25mm
8x Washer, Ø16.8x8.5x3mm
DISPLAYING 1 to 6 (of 6 products)
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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.

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