Please wait… 
Please wait while we process your order,
do not press the back button… 
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

Refine by Car Type
Filter by brand
DISPLAYING 1 to 16 (of 23 products)
1 2
FITTINGKIT05
Product Information
Product Information
Exhaust fitting kit.

oematch

Fits:
Porsche 997 MKII Carrera 3.6L 2009>>
Porsche 997 MKII Carrera S 3.8L 2009>>

Kit Includes:
2 x Header Gaskets (Diagram Ref 2)
2 x Header to Cat Gaskets (Diagram Ref 8)
2 x Cats to Muffler Clamps (Diagram Ref 16)


*Click on the image to see a large parts diagram.

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Related, superseded, cross reference or alternative numbers for comparison.

FITTINGKIT05
99711111330
99711110730
99711122030
99711110731

The product you are viewing cross references to these numbers
FITTINGKIT32
Product Information
Product Information
Exhaust fitting kit for rear silencers and centre silencer

Fits:
Porsche 997 MKII Carrera 3.6L 2009>>
Porsche 997 MKII Carrera S 3.8L 2009>>

Kit Includes:
2 x Cat to silencer gaskets (Diagram Ref 8)
6 x Cat to silencer gasket bolts (Diagram Ref 34)
6 x Cat to silencer gasket nuts  (Diagram Ref 11)
2 x Centre silencer straps (Diagram Ref 12)
2 x Centre silencer strap bolts (Diagram Ref 13)
2 x Centre silencer to side silencer clamps (Diagram Ref 16)
2 x Tailpipe 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Related, superseded, cross reference or alternative numbers for comparison.

FITTINGKIT32
99711111330
90091000303
99711311931
90006736201
99711122030
99711124030
90007536502
N01024426
N 01024426

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Related, superseded, cross reference or alternative numbers for comparison.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
Special Order item
99711320
Product Information
Product Information
Exhaust catalytic converter heat deflector.

porsche

Fits:
Porsche 997.2 Carrera 3.6L / 3.8L 2009-12
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12

Click 'Zoom in' for large parts diagram.
Diagram Ref No 32

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Related, superseded, cross reference or alternative numbers for comparison.

99711320
99711320830
99711320930
98711320930
98711320830

The product you are viewing cross references to these numbers
SR069
Product Information
Product Information
Exhaust bolt repair kit for Porsche DFI Engines on 911/997/991/ Boxster & Cayman (9A1) 2009-Onwards

stomski

Holy broken bolts Batman! Even the latest generation of DFI (9A1) heads on the water-cooled engines are reporting broken exhaust bolts. Tasks ranging from a simple exhaust system update through an engine removal, are consistently plagued by snapped, rusted, and broken exhaust manifold bolts. Rarely can an accurate removal of the broken bolt be performed with the engine in the car, and even after removal, the task is time consuming and if not done carefully can lead to a damaged head or faulty repair. STOMSKI RACING's answer to these problems is the SR069, a kit that easily, accurately, and flexibly allows you to drill out the broken bolts - with the engine still in the car- saving time and headaches. A CNC milled plate indexes precisely off the broken bolts and/or bolt holes. Using our uniquely designed Thumb Screws, the SR069 plate is locked in place (by threading a Thumb Screw over a broken bolt or by using a supplied bolt threaded through the SR069 Thumb Screw). With the included pilot drills and drill guides, the faulty bolt can be drilled out, producing a perfectly perpendicular and centered hole that if necessary can be chased with an included M8x1.25 tap.

Kit includes anodized aluminum fixture, drill bits, tap with extension, drill jigs/guides, Thumb Screws, and hardware in a sturdy storage case. Also includes our SR065D drill guide.
99711123081T
Product Information
Product Information
Exhaust Catalyst to silencer clamp in Titanium. Sold as each.

rohler

Fits:
Porsche 997 GT2 2008-2009 (engine M97.70+)
Porsche 997.2 Turbo / GT2 RS 2010-2013
Porsche 991.1 Turbo  2013-2016

Porsche 991.2 Turbo  2017-2020
Porsche 991 Carrera 2 3.0L (370 Bhp)
Porsche 991 Carrera 2S 3.0L (420 Bhp)
Porsche 991 Carrera 4 3.0L (370 Bhp)
Porsche 991 Carrera 4S 3.0L (420 Bhp)
Porsche 991 Cabriolet 2 3.0L (370 Bhp)
Porsche 991 Cabriolet 2S 3.0L (420 Bhp)
Porsche 991 Cabriolet 4 3.0L (370 Bhp)
Porsche 991 Cabriolet 4S 3.0L (420 Bhp)
Porsche 991 Targa 4 3.0L (370 Bhp)
Porsche 991 Targa 4S 3.0L (420 Bhp)
Porsche 991 GT2 RS 3.8L PDK (700 bhp)

Click 'Zoom in' for large parts diagram.
Diagram ref no 8



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

99711123081T
99711123080
99711123081

The product you are viewing cross references to these numbers
Special Order item
99711123081
Product Information
Product Information
Exhaust Catalyst to silencer clamp. Sold each.

porsche

Fits:
Porsche 997 GT2 2008-2009 (engine M97.70+)
Porsche 997.2 Turbo / GT2 RS 2010-2013
Porsche 991.1 Turbo  2013-2016

Porsche 991.2 Turbo  2017-2020

Porsche 991 Carrera 2 3.0L (370 Bhp)

Porsche 991 Carrera 2S 3.0L (420 Bhp)

Porsche 991 Carrera 4 3.0L (370 Bhp)

Porsche 991 Carrera 4S 3.0L (420 Bhp)

Porsche 991 Cabriolet 2 3.0L (370 Bhp)

Porsche 991 Cabriolet 2S 3.0L (420 Bhp)

Porsche 991 Cabriolet 4 3.0L (370 Bhp)

Porsche 991 Cabriolet 4S 3.0L (420 Bhp)

Porsche 991 Targa 4 3.0L (370 Bhp)

Porsche 991 Targa 4S 3.0L (420 Bhp)

Porsche 991 GT2 RS 3.8L PDK (700 bhp)

Click 'Zoom in' for large parts diagram.
Diagram ref no 8



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

99711123081
99711123080
99711123081

The product you are viewing cross references to these numbers
99711133690/1
Product Information
Product Information
Front muffler clamp (OE part reference 997.111.336.90) — used to secure the front/centre muffler sections on 911 GT3 / GT3 RS and compatible Porsche 997 / 991 fitments. Built to the factory dimensions for a leak-free connection and correct exhaust alignment.
Price is Each

Fits:
Porsche Carrera GT 2004 - 2006
Porsche 997 GT3 2007 - 2009
Porsche 997 GT3 / GT3 RS / GT3 RS 4.0 2010-11
Porsche 991 GT3 / GT3 RS 2014-18
Porsche 991 R 2016

Diagram ref no 5

Why Replace Your Exhaust Clamp

  • Restore a perfect, leak-free seal
  • Over time, exhaust clamps can deform, corrode, or lose their clamping strength. Replacing the clamp ensures a secure joint between muffler sections, preventing exhaust leaks, restoring proper back pressure, and maintaining optimal engine performance.
  • Eliminate rattles and vibration noise
  • Worn or loose clamps are a common cause of rattles, buzzing, or vibration noises from the rear underside of 997 and 991 models. Installing a new clamp is often one of the quickest and most cost-effective ways to eliminate these irritating sounds.
  • Factory specifications fitment for performance models


Common Issues and Failure Modes

  • Corrosion and rust
  • Exhaust clamps and fasteners are exposed to heat, moisture, and road salt. Over time, this can lead to corrosion or seizure, reducing clamping force and risking exhaust leaks.
  • Clamp fatigue or deformation
  • Repeated heat cycles and vibration can cause the clamp sleeve or bolt to distort, leading to a loose connection and exhaust blow-by.
  • Incorrect fitment or short sleeves
  • Noise from over-tightening
  • Applying excessive clamping force can alter vibration characteristics and introduce new noises. Always follow correct installation torque and alignment procedures.


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

99711133690
99711133690

The product you are viewing cross references to these numbers
Special Order item
99711133690
Product Information
Product Information
Exhaust muffler clamp. Sold each.

porsche

Fits:
Porsche Carrera GT 2004-06
Porsche 997 GT3 2007-09
Porsche 997 GT3 / GT3 RS / GT3 RS 4.0 2010-11
Porsche 991 GT3 / GT3 RS 2014-18
Porsche 991 R 2016

Click 'Zoom in' for large parts diagram.
Diagram ref no 5

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

99711133690
99711133690

The product you are viewing cross references to these numbers
Special Order item
99711146390
Product Information
Product Information
Exhaust muffler flange. Sold each.

porsche

Fits:
Porsche 997 GT3 2007-11
Porsche 991 GT3 3.8L 2014-17

Click 'Zoom in' for large parts diagram.
Diagram ref no 12

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

99711146390
99711146390

The product you are viewing cross references to these numbers
Special Order item
99711311931
Product Information
Product Information
Exhaust muffler strap. Sold individually. 2 per car.

porsche

Fits:
Porsche 997.2 Carrera
Porsche 997.2 Turbo

Please note: straps do not come with the bolt and spacer sleeve. Available separately. Part numbers 90006736201 bolt and 99711121830 spacer sleeve.

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

99711311931
99711311931

The product you are viewing cross references to these numbers
99711114030T
Product Information
Product Information
Titanium (grade 5) Exhaust Silencer Bracket.
1 pc per silencer. Sold as each.

rohler

Fits:
Porsche 997.2 Carrera 3.6L / 3.8L 2009>>

Click 'Zoom in' for large parts diagram.
Item no. 17



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

99711114030T
99711114030

The product you are viewing cross references to these numbers
Special Order item
99711114030
Product Information
Product Information
Exhaust Silencer Bracket.
1 pc per silencer. Sold as each.
porsche

Fits:
Porsche 997.2 Carrera 3.6L / 3.8L 2009>>

Click 'Zoom in' for large parts diagram.
Item no. 17



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

99711114030
99711114030

The product you are viewing cross references to these numbers
Special Order item
99711112481
Product Information
Product Information
Exhaust silencer support bracket.
porsche

Fits:
Porsche 997 GT2 2008-09
Porsche 997 GT2 RS 2011

Click 'Zoom in' for large parts diagram.
Diagram ref no 7

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

99711112481
99711112481

The product you are viewing cross references to these numbers
Special Order item
99711112
Product Information
Product Information
Exhaust silencer support bracket.

porsche

Fits:
Porsche 997 MKII Carrera 2009-2012


Click 'Zoom in' for large parts diagram.
Diagram ref no 24

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

99711112
99711112731
99711112732
99711112733
99711112830
99711112832
99711112833

The product you are viewing cross references to these numbers
Special Order item
99711122030
Product Information
Product Information
Exhaust Sleeve Catalytic Converter to Silencer.

porsche

Original Porsche connecting sleeve from cat to rear silencer.

Fits:
Porsche 997 MKII Carrera 3.6L / 3.8L 2009>> (not Turbo)


Click 'Zoom in' for large parts diagram.
Diagram ref no 16.

Price is for each sleeve.

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

99711122030
99711122030

The product you are viewing cross references to these numbers
DISPLAYING 1 to 16 (of 23 products)
1 2
Also found on these pages
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.

You may also like
Popular Models