Exhaust Cat Cover Plate. Porsche 964  ❭  96421121303

Exhaust support bracket.



Fits:
Porsche 997.1 C2 / C4 3.6L 2004-08 (M96.05)
Porsche 997.1 C2S / C4S 3.8L 2004-08 (M97.01)

This part number has been superseded from previous numbers:
- 99611123703 (LEFT) / 99611123803 (RIGHT)

Click 'Zoom in' for large parts diagram.
Diagram ref no 23 (LEFT) or 28 (RIGHT)

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99611123

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Exhaust sleeve catalytic converter to silencer.
Price is for each sleeve.



Original Porsche connecting sleeve from cat to rear silencer.

Fits:
Porsche 997 2005>> (not Turbo and GT2)
    Fits cars with and without sport exhaust

Porsche 991 Carrera C2 3.4L (350Bhp)
Porsche 991 Carrera C2S 3.8L (400Bhp)
Porsche 991 Carrera C4 3.4L (350Bhp)
Porsche 991 Carrera C4S 3.8L (400Bhp)

Click 'Zoom in' for large parts diagram.
Diagram ref no 13

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99711152000

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Mounting kit for rear exhaust.
The OE Match Rear Exhaust Mounting Kit is a complete hardware set designed to replace worn or missing mounting components for the rear exhaust system on the Porsche 997. It includes the essential rubber hangers, brackets, bolts, and insulators needed to restore proper exhaust support and alignment.

Fits:
Porsche 997 3.6L-3.8L 2005-08 (not Turbo/GT2)

Kit included:
2x Pipe Connector, 55x58.5x75mm, stainless steel
2x Bolt, M8x1.25x140mm
2x Bolt, M8x1.25x70mm
4x Lock nut, M8x1.25

This product is a comprehensive OE Match rear exhaust mounting kit for the Porsche 997 family. Over time, exhaust mounting rubbers, brackets, and associated fixings can deteriorate due to heat cycling, vibration, and exposure to corrosive elements. This kit brings together all the normal wear components in one package, allowing a complete refresh of the rear exhaust support hardware.

Each piece in the kit has been selected or engineered to match the dimensions, materials, and load-bearing characteristics of the factory parts, ensuring correct exhaust position and reduced risk of sagging, rattling, or detachment.

Over time, rear exhaust mounting components can:
• Harden, crack, or split due to age and heat
•  Corrode and weaken under road salt and moisture exposure
•  Stretch or deform, allowing excessive exhaust movement
•  Loosen, causing rattle, vibration, or exhaust contact with bodywork

Failing mounts can lead to:
•  Exhaust system sagging
•  Unwanted noises
•  Metal fatigue or cracking
•  Reduced ground clearance

Installing a complete OE Match rear exhaust mounting kit restores proper support, improves NVH (noise, vibration, harshness), and helps prolong the life of the exhaust system.

When to replace.  Install this kit when:
•  You notice exhaust sagging at the rear
•  There’s excessive vibration or noise from the exhaust area
•  Exhaust hangers show visible wear, cracking, or separation
•  You are replacing or removing the rear exhaust system
•  You’re performing a comprehensive underbody service

Related reference numbers
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97330KIT

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