Exhaust rubber mounting. Porsche 924 / 924S / 944 / 968 / 928  ❭  92811125902

The OE Match Exhaust Rubber Mounting is a replacement flexible exhaust support used on selected classic Porsche transaxle models.

Fits:

• Porsche 924 Carrera GT 2.0L 1981
• Porsche 924S 2.5L 1986-87
• Porsche 924S 2.5L 1988
• Porsche 944 2.5L 8V 1982-87
• Porsche 944 2.7L 8V 1988-89
• Porsche 944S 2.5L 16V 1987-88
• Porsche 944S2 3.0L 16V 1989-91
• Porsche 944 Turbo 2.5L 8V 1985-88
• Porsche 944 Turbo 2.5L 8V 1989-91
• Porsche 944 Turbo S 2.5L 8V 1988
• 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
• Porsche 928 4.5L 1978-82
• Porsche 928S 4.7L 1981-83
• Porsche 928S2 4.7L 1984-86
• Porsche 928S4 5.0L 1987-92
• Porsche 928GT 5.0L 1989-91
• Porsche 928GTS 5.4L 1992-95  

The rubber mounting forms part of the exhaust support system, helping suspend the exhaust securely from the vehicle while isolating vibration and allowing a controlled amount of movement as the exhaust heats, cools and moves with the drivetrain.

A healthy exhaust mounting helps keep the exhaust correctly positioned beneath the vehicle while reducing vibration and noise transferred into the body structure.

What This Product Does:
The exhaust system becomes hot during operation and expands as temperature increases.

It also moves slightly in response to:

• Engine and drivetrain movement
• Road vibration
• Suspension movement
• Thermal expansion
• Changes in vehicle load

The rubber exhaust mounting provides a flexible connection between the exhaust system and the vehicle structure.

Its functions include:

• Supporting the weight of the exhaust
• Maintaining correct exhaust positioning
• Absorbing vibration
• Reducing noise transmitted into the chassis
• Allowing controlled exhaust movement
• Reducing stress on exhaust pipes and joints
• Helping maintain clearance from surrounding components
• Preventing excessive exhaust movement over bumps

Without compliant rubber mountings, vibration and movement could place additional stress on rigid exhaust components.

Symptoms Of Wear Or Failure:
Common signs of a deteriorated exhaust rubber mounting include:

• Exhaust rattling
• Knocking beneath the vehicle
• Metallic contact over bumps
• Exhaust hanging lower than normal
• Excessive exhaust movement
• Muffler or pipework visibly sagging
• Exhaust tips sitting out of alignment
• Increased vibration inside the vehicle
• Cracked or split rubber
• Rubber becoming hard or brittle
• Mount stretching excessively
• Rubber separating around its attachment points
• Exhaust contacting heat shields or bodywork
• Increased stress on nearby brackets or clamps

Some exhaust noise can also be caused by loose heat shields, broken brackets or damaged internal muffler components, so the complete mounting system should be inspected.

Why Replacement Matters:
A worn exhaust mount may appear to be a minor issue, but continued use can allow excessive movement of relatively heavy exhaust components.

This may contribute to:

• Cracked exhaust pipes
• Failed welds
• Damaged exhaust joints
• Loose clamps
• Broken mounting brackets
• Exhaust contact with the vehicle body
• Increased vibration and rattling
• Poor exhaust-tip alignment
• Premature failure of neighbouring mountings

Replacing a deteriorated mount restores proper support and reduces unnecessary stress on the rest of the exhaust system.