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

Brackets / Clamps / Straps

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DISPLAYING 1 to 16 (of 34 products)
1 2 3
FITTINGKIT06
Product Information
Product Information
COMPLETE Exhaust Fitting Kit.*
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.

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Related, superseded, cross reference or alternative numbers for comparison.

FITTINGKIT06
9990750710A
99611110755
99611111350
99908405202
90007428702
99951108700
90037803301
90037802209
90003110501
90037818809
90037818709

The product you are viewing cross references to these numbers
FITTINGKIT27
Product Information
Product Information
Exhaust Catalyst fitting kit. Aftermarket component with stainless steel cat bolts and nuts.

oematch


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



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Related, superseded, cross reference or alternative numbers for comparison.

FITTINGKIT27
99711152000

The product you are viewing cross references to these numbers
FITTINGKIT16
Product Information
Product Information
Exhaust Catalysts Fitting Kit. Porsche (911) 996 C2 /C4 / C4S


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



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Related, superseded, cross reference or alternative numbers for comparison.

FITTINGKIT16
99611122002
99611111350
99906402601
90007428702
99908405202
90008308000
90012305020
N0138322

The product you are viewing cross references to these numbers
FITTINGKIT28
Product Information
Product Information
Rear Silencer Exhaust Fitting Kit.*
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.

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Related, superseded, cross reference or alternative numbers for comparison.

FITTINGKIT28
99611110800
99611122002

The product you are viewing cross references to these numbers
FITTINGKIT01
Product Information
Product Information
Exhaust Fitting Kit. Porsche (911) 996 C2 /C4 / C4S

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.

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Related, superseded, cross reference or alternative numbers for comparison.

FITTINGKIT01
99611110755
99611111350
99711152000
99611110800

The product you are viewing cross references to these numbers
FITTINGKIT09
Product Information
Product Information
Manifold fitting kit.

Contains all necessary gaskets, nuts & bolts.

Fits:
Porsche 996 Carrera 3.6L
EXHAUSTMKIT
Product Information
Product Information

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 



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

EXHAUSTMKIT
99611123000
90037810501
90037818301
99611123100
90038000501

The product you are viewing cross references to these numbers
EXHAUSTMKIT1
Product Information
Product Information

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 



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

EXHAUSTMKIT1
99711122930
99611123000
90037810501
90037818301
99611123100
90038000501

The product you are viewing cross references to these numbers
99711122930/1KIT
Product Information
Product Information

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) 

oematch

Fits:

  • Porsche 996 C2 / C4 
  • Porsche 997 C2 / C4 




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

99711122930
99711122930
99611122702
99611122802
99611122703
99611122803

The product you are viewing cross references to these numbers
FITTINGKIT35
Product Information
Product Information
Mounting kit for catalytic converter pipes with clamps, gaskets, nuts & bolts.

oematch

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



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

FITTINGKIT35
99611122001
99611122002
99711152000
99951108700
99611111350
99908405202
90007428702

The product you are viewing cross references to these numbers
96300KIT
Product Information
Product Information
Mounting Kit for Rear Exhaust.

oematch

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

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

96300KIT
90037818301
90037810501
90038000501
99611122002
99611110800

The product you are viewing cross references to these numbers
Special Order item
99611112
Product Information
Product Information
Exhaust silencer support bracket.
porsche

Fits:
Porsche 996 3.6L C2/C4/C4S 2002

Click 'Zoom in' for large parts diagram.
Diagram ref no 17 (LEFT) and 18 (RIGHT)

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

99611112
99611112758
99611112856

The product you are viewing cross references to these numbers
Special Order item
99611322350
Product Information
Product Information
Exhaust bracket for rear muffler

Fits:
Porsche 996 C2 / C4 / C4S 1998-05
Porsche 997 Carrera 2009-08 (Sports exhaust system)

Diagram Ref no. 10

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

99611322350
99611322350

The product you are viewing cross references to these numbers
Special Order item
99951108700
Product Information
Product Information
Exhaust clamp for catalyst pipe

porsche

Fits:
Porsche 996 Carrera 1998-05
Porsche 996 GT3 1999-04

Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.

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

99951108700
99951108700

The product you are viewing cross references to these numbers
Special Offer
99951108700/1
Product Information
Product Information
Exhaust clamp for catalyst pipe.

oematch

Fits:
Porsche 996 Carrera 1998-05
Porsche 996 GT3 1999-04

Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.

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

99951108700
99951108700

The product you are viewing cross references to these numbers
Special Offer
99951108700/2
Product Information
Product Information
Titanium (grade 5) exhaust clamp for catalyst pipe.

rohler

Fits:
Porsche 996 Carrera 1998-05
Porsche 996 GT3 1999-04

Click 'Zoom in' for large parts diagram.
Diagram Ref No 13.

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

99951108700
99951108700

The product you are viewing cross references to these numbers
DISPLAYING 1 to 16 (of 34 products)
1 2 3
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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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