Brackets / Clamps / Straps

- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
Contains all necessary gaskets, clamps, sleeves, nuts, bolts and washers. Ideal when you change the whole exhaust system on your Porsche 996 - manifolds, catalytic converters and silencers at the same time.
*Brackets and holders not included but available separately
Fits:
Porsche 996 Carrera 3.4L
Porsche 996 Carrera 3.6L
*Click on the image to see a large parts diagram.
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FITTINGKIT06
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This kit is comprised of the following items:

- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005

Fits:
Porsche 996 Carrera 3.4L
Porsche 996 Carrera 3.6L
Kit includes:
2 x 99711152000/1 EXHAUST to CAT CLAMP
2 x 99611111350/1 EXHAUST MANIFOLD to CAT GASKET
2 x 99906402601/1 SCREW PLUG
2 x N0138322 SEAL RING
6 x 90007428702/1 BOLT HEX-HD M8X35
6 x 99908405202/1 EXH NUT for HEAT EXCHANGER M8
2 x 90008308000 BOLT HEX-HD
2 x 90012305020 SEALING RING
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FITTINGKIT27
The product you are viewing cross references to these numbers
This kit is comprised of the following items:

- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
Fits:
Porsche 996 Carrera 3.4L
Porsche 996 Carrera 3.6L
Kit Includes:
2 x 99611122002 EXHAUST to CAT CLAMP
2 x 99611111350 EXHAUST MANIFOLD to CAT GASKET
2 x 99906402601 SCREW PLUG
2 x N0138322 SEAL RING
6 x 90007428702 BOLT HEX-HD M8X35
6 x 99908405202 EXH NUT for HEAT EXCHANGER M8
2 x 90008308000 BOLT HEX-HD
2 x 90012305020 SEALING RING
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FITTINGKIT16
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This kit is comprised of the following items:

- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
Contains all necessary clamps, sleeves, nuts, bolts and washers. Ideal when you change the rear exhaust silencers on your Porsche 996
*Brackets and holders not included but available separately
Fits:
Porsche 996 Carrera 3.4L
Porsche 996 Carrera 3.6L
*Click on the image to see a large parts diagram.
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FITTINGKIT28
The product you are viewing cross references to these numbers
This kit is comprised of the following items:

- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
Fits:
Porsche 996 Carrera 3.4L
Porsche 996 Carrera 3.6L
Kit Includes:
2 x Header Gaskets (Diagram Ref 3)
2 x Header to Cat Gaskets (Diagram Ref 7)
2 x Cats to Muffler Clamps (Diagram Ref 29)
2 x Muffler to Tail Pipe Clamps (Diagram Ref 22)
*Click on the image to see a large parts diagram.
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FITTINGKIT01
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This kit is comprised of the following items:

- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
Contains all necessary gaskets, nuts & bolts.
Fits:
Porsche 996 Carrera 3.6L
This kit is comprised of the following items:

- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
Exhaust silencer brackets mounting kit. (12 Parts ) Porsche 996 / 997 / 997.2,
This 12pcs exhaust bracket mounting kit contains the essential parts when replacing the rear exhaust boxes, the parts will help when mounting the large mounting brackets. , please note we would also recommend that you replace the 8 x Exhaust vibration dampener for silencer bracket. Ref 997.111.229.30
This kit includes the following parts:
- 2 x Silencer bracket sleeve for long bolt. Ref 996.111.230.00
- 2 x Silencer Bracket Sleeve for Short Bolt. Ref 996.111.231.00
- 2 x Exhaust hexagon head bolt (SHORT). Ref 900.378.105.01
- 2 x Exhaust hexagon head bolt (LONG). Ref 900.378.183.01
- 4 x Exhaust hexagon nut. Ref 900.380.005.01
Fits:
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
contains items 16, 24, 25, 35, 36
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EXHAUSTMKIT
The product you are viewing cross references to these numbers
This kit is comprised of the following items:

- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
Exhaust silencer brackets mounting kit. (20 Parts ) Porsche 996 / 997 / 997.2,
This 20pcs exhaust bracket mounting kit contains the essential parts when replacing the rear exhaust boxes, the parts will help when mounting the large mounting brackets.
This kit includes the following parts:
- 8 x Exhaust vibration dampener for silencer bracket. Ref 997.111.229.30
- 2 x Silencer bracket sleeve for long bolt. Ref 996.111.230.00
- 2 x Silencer Bracket Sleeve for Short Bolt. Ref 996.111.231.00
- 2 x Exhaust hexagon head bolt (SHORT). Ref 900.378.105.01
- 2 x Exhaust hexagon head bolt (LONG). Ref 900.378.183.01
- 4 x Exhaust
hexagon nut. Ref 900.380.005.01
Fits:
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
contains items 16, 24, 25, 34, 35, 36
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EXHAUSTMKIT1
The product you are viewing cross references to these numbers
This kit is comprised of the following items:

- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
Exhaust support bracket sound absorber. (SET OF 4) Porsche 996 / 997 99711122930
4 pcs required per exhaust box bracket (8pcs or 2 sets required per car)
Fits:
- Porsche 996 C2 / C4
- Porsche 997 C2 / C4
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99711122930
The product you are viewing cross references to these numbers
This kit is comprised of the following items:

- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04

Fits:
Porsche 996 Carrera 3.4L-3.6L 1998-05
Porsche 996 GT3 3.6 2004-05
Porsche 996 GT3 3.6 1999-01
Also Fits Catalytic Converter Bypass / Sports kits
99611196260S, 996PO96260S and 996PO96270S.
Click 'Zoom in' for large parts diagram.
Diagram ref no 7, 8, 13, 29 and 37
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FITTINGKIT35
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This kit is comprised of the following items:

- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04

Fits:
Porsche 996 Carrera 3.4L-3.6L 1998-05
Porsche 996 GT3 3.6 2004-05
Porsche 996 GT3 3.4 1999-01
Kit included:
2x 99611122002 Pipe Connector, 55.5x75mm
2x 99611110800 Clamp, Ø70mm
2x 90037818301 Bolt, M8x1.25x140mm
2x 90037810501 Bolt, M8x1.25x70mm
12x 90038000501 Lock nut, M8x1.25mm
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96300KIT
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This kit is comprised of the following items:


- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005

Fits:
Porsche 996 3.6L C2/C4/C4S 2002
Click 'Zoom in' for large parts diagram.
Diagram ref no 17 (LEFT) and 18 (RIGHT)
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99611112
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- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
Fits:
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 997 Carrera 2009-08 (Sports exhaust system)
Diagram Ref no. 10
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99611322350
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- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04

Fits:
Porsche 996 Carrera 1998-05
Porsche 996 GT3 1999-04
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.
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99951108700
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- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04

Fits:
Porsche 996 Carrera 1998-05
Porsche 996 GT3 1999-04
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.
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99951108700
The product you are viewing cross references to these numbers




- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04

Fits:
Porsche 996 Carrera 1998-05
Porsche 996 GT3 1999-04
Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.
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99951108700
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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.