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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 Fitting Kits

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1121700710
Product Information
Product Information

Exhaust Mounting Kit

Restore the security and reliability of your Porsche's exhaust system with this OE Match Exhaust Mounting Kit, designed specifically for the Porsche 914. Manufactured to OE specifications, this comprehensive mounting kit contains the essential hardware required to correctly secure the exhaust system, helping to reduce vibration, maintain proper alignment and ensure long-lasting performance.

Fits:

  • Porsche 914 (1970-1976)       

Whether you are replacing a worn exhaust, carrying out a full restoration or refurbishing the original system, fitting new mounting hardware ensures the exhaust is correctly supported and protected from unnecessary movement and stress.

What Does the Exhaust Mounting Kit Do?

The exhaust mounting kit secures the exhaust system to the vehicle chassis while allowing controlled movement as the exhaust expands and contracts during normal operation.

Its primary functions include:

  • Supporting the weight of the exhaust system.
  • Maintaining correct exhaust alignment.
  • Reducing vibration and unwanted movement.
  • Minimising stress on exhaust joints and manifolds.
  • Helping prevent premature exhaust failure.
  • Ensuring safe and secure installation.

Correct exhaust mounting is essential for both performance and long-term durability.

Why Do Exhaust Mounting Kits Fail?

Exhaust mounting components are continually exposed to heat, moisture, road salt and vibration. Over time this can cause:

  • Corrosion of metal brackets and fixings.
  • Rubber mounting deterioration.
  • Loose or seized fasteners.
  • Fatigue caused by constant vibration.
  • Damage during exhaust removal.
  • Wear from years of engine movement and thermal expansion.

As mounting hardware deteriorates, the exhaust may begin to sag, vibrate excessively or develop unwanted movement that places additional strain on other exhaust components.

When Should the Exhaust Mounting Kit Be Replaced?

The exhaust mounting kit should be inspected whenever the exhaust system is serviced or removed. Replacement is recommended if you notice:

  • Rusted or seized fixings.
  • Perished or cracked rubber mounts.
  • Loose exhaust components.
  • Excessive exhaust movement.
  • Rattles or vibration from underneath the vehicle.
  • Broken brackets or damaged mounting hardware.

Many Porsche specialists recommend replacing the complete mounting kit whenever fitting a replacement exhaust to ensure reliable installation and avoid reusing worn hardware.



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

1121700710
1121700710
021298001
021298001A
02685

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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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