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

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96411124703/1::1
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Exhaust O-ring for tail pipe. Sold each.
Replacement  Exhaust O-ring, fits between silencer & tail pipe. Manufactured to original Porsche specifications for a perfect fit.

Fits:
Porsche 964 C2 / C4 1989 - 1994

Diagram ref no 6

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96411124703
96411124701
96411124702
96411124703

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96422092200S/1
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Product Information
Exhaust metal band for cup-pipe, 2 pcs., stainless steel.

dansk

Fits:
Porsche 964 C2/C4 3.6L 12/1988-06/1994

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Related, superseded, cross reference or alternative numbers for comparison.

96422092200S
1621400910
92.200S
96422092200S
96411119900

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90006730900
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Exhaust strap screw.

porsche

Fits:
Porsche 964 C2/4 1989-94 (Not turbo)

Click 'Zoom in' for large parts diagram.
Diagram Ref No 12

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90006730900
90006730900
1625002900

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PCG11133600
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Exhaust System Clamp Set.

The Exhaust System Clamp Set is an OEM-spec fastening kit designed to securely join and seal exhaust system pipework. These clamps are used to connect key exhaust components—such as silencers, catalytic converter sections, centre pipes, or tailpipe assemblies—ensuring a tight, leak-free fit while allowing correct alignment during installation.

Fits:

  • Porsche 964 (911) C2 1989-93
  • Porsche 964 (911) C4 1989-93
  • Porsche 964 (911) RS 3.6L 1991-93
  • Porsche 968 3.0L 1992-94
  • Porsche 968 Sport 3.0L 1994-95
  • Porsche 968 CS 3.0L 1993-95
  • Porsche 968 Turbo S 3.0L 1993-94

Diagram Ref No 4, 8, 9, 10

Exhaust clamps play an important role in keeping the exhaust system stable under heat expansion, vibration, and engine movement. A worn or corroded clamp can cause exhaust leaks, rattles, poor fitment, or misalignment—especially on performance or stainless exhaust systems where correct sealing is essential.

This clamp set is ideal when fitting a new exhaust, replacing damaged clamps, or refreshing fixings during exhaust maintenance.

What This Product Does:
  • Secures exhaust joints and pipe connections
  • Maintains proper alignment of exhaust components
  • Helps prevent exhaust gas leaks at connection points
  • Reduces vibration movement and exhaust rattles
  • Supports safe, reliable long-term exhaust system operation
  • Makes exhaust assembly replacement or servicing easier and cleaner

Symptoms Of A Failing Exhaust Clamp:
  • Exhaust blowing / hissing sound near a joint
  • Rattling or knocking noises from underneath the car
  • Visible soot marks around pipe joins (sign of leaking gases)
  • Loose exhaust sections or misaligned tailpipes
  • Corroded, seized, or snapped clamp hardware
  • Exhaust fumes smell stronger than normal (possible leak

Why Replacement Matters:
  • Prevents exhaust leaks that affect performance and sound quality
  • Reduces vibration and rattles for a smoother driving experience
  • Protects surrounding components from heat and gas leakage
  • Ensures correct exhaust fitment, sealing, and support
  • Avoids clamp failure during removal/refitting (especially if original fixings are rusted or seized)



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

PCG11133600
PCG11133600
96411133600

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About Brackets / Clamps / Straps

Exhaust Mounting Brackets, Straps & Clamps – Secure, Silent & Strong

A Porsche exhaust system relies on more than just pipes and silencers — it’s held together by a network of mounting brackets, straps, and clamps that keep everything securely in place. These essential components absorb vibration, maintain correct alignment, and prevent stress or damage to exhaust pipes and mufflers.

At Design911, we stock a full range of exhaust mounting hardware, including brackets, hangers, straps, clamps, gaskets, and fasteners, all designed for long-lasting durability and a perfect fit. Built from high-strength stainless steel and corrosion-resistant materials, these components ensure your exhaust system remains properly supported and free from unwanted noise or movement.

Whether you’re performing a full exhaust replacement or a minor repair, replacing worn or rusted mounting hardware restores proper fitment and protects your Porsche’s exhaust from damage caused by vibration or misalignment.

What Do Exhaust Mounting Brackets, Straps & Clamps Do?

These small but vital parts provide the backbone for your exhaust system’s stability and integrity.

Core Functions:

  • Secure the exhaust system to the vehicle chassis.
  • Maintain correct alignment to prevent strain on joints and flanges.
  • Absorb engine vibration to reduce stress and cracking.
  • Ensure leak-free connections between pipes and silencers.
  • Prevent rattling and unwanted noise during acceleration and cornering.

Without properly functioning brackets and clamps, your exhaust can sag, vibrate, or even detach — risking costly damage and performance loss.

Why Do Exhaust Mounts and Clamps Fail?

Constant heat, vibration, and exposure to the elements make exhaust mounting components prone to wear over time.

Common Causes of Failure Include:

  • Corrosion or rust from road salt and moisture.
  • Metal fatigue caused by heat cycling and vibration.
  • Cracked or stretched straps from repeated stress.
  • Loose or broken clamps leading to exhaust leaks.
  • Rubber mount deterioration resulting in noise or exhaust movement.

Failure of these components can lead to exhaust misalignment, rattling, leaks, or premature pipe damage — issues that worsen quickly if ignored.

Why Replace Components?

Replacing worn or damaged exhaust mounting hardware ensures your Porsche’s exhaust system remains stable, quiet, and free-flowing.

Key Benefits:

  • Restores exhaust alignment and fitment.
  • Prevents damage to mufflers, pipes, and joints.
  • Eliminates rattling, vibration, and leaks.
  • Durable stainless steel and heat-resistant construction.
  • Direct-fit compatibility for all Porsche models, classic and modern.
  • Ideal for maintenance, restoration, or performance upgrades.

A secure exhaust system not only improves comfort and performance but also extends the life of other components — ensuring your Porsche remains refined and reliable.

Highlights:

  • High-quality exhaust brackets, clamps, and mounting straps.
  • Precision-engineered for Porsche fitment and durability.
  • Prevents vibration, movement, and exhaust leaks.
  • Made from corrosion-resistant stainless steel.
  • Perfect for restorations or exhaust maintenance.
  • Ensures long-term stability and quiet operation.

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