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Brackets / Clamps / Straps
By OE Match
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
you will require the nuts code 90038000501
Fits:
Porsche 986 Boxster 1998-04
Click 'Zoom in' for large parts diagram.
Diagram ref no 21
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611331101
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
OE Match exhaust clamping sleeve / exhaust clamp designed to secure and join exhaust components in the Porsche Boxster 986 (1997–2004) exhaust system. It functions as a durable connector between the catalytic converter and U-bend / silencer pipes, helping maintain a tight exhaust joint.
Sold as: Single clamp (two may be required per complete joint).
Fits:
Porsche 986 Boxster 1997 - 2004
Diagram ref no 15
The exhaust clamping sleeve secures two sections of the exhaust - typically where the catalytic converter outlet meets the U-bend or silencer pipe. It ensures a firm, vibration-resistant connection that prevents exhaust leakage, reduces noise, and supports proper exhaust routing. A good clamp helps the exhaust stay aligned under heat expansion and road vibration, reducing stress on nearby hangers and components.
Function:
• Joins exhaust sections securely (catalytic converter to U-bend/silencer)
• Prevents exhaust leaks by maintaining a tight pipe connection
• Absorbs movement and heat expansion without loosening
• Supports proper alignment of the exhaust system under operating loads.
Without a sound clamp, exhaust joints can leak hot gases, which leads to reduced performance, unwanted noise, and possible component wear.
Exhaust clamps live in a high-heat, corrosive environment, and over time the original sleeve can:
• Corrode or rust, reducing clamp effectiveness
• Lose clamping force from heat cycling
• Allow exhaust leaks at pipe connections
• Cause excess exhaust noise or vibration.
Replacing worn or damaged clamps with OE Match units helps ensure a tight seal, prevents exhaust gas escape, and protects other exhaust components from undue movement or stress.
When to replace. Replace this exhaust clamp when:
• You remove or refit the exhaust system (e.g., catalytic converter or silencer)
• The existing clamp is corroded, bent, or stretched
• You notice exhaust leaks, noise, or vibration at the joint
• Replacement or servicing of exhaust components causes fitment issues
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611111001
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
OE Match exhaust U-tube clamp used to secure the exhaust connecting pipe at the U-bend (U-tube) on Porsche 986 Boxster applications.
Sold each, 2 required per vehicle.
Fits:
Porsche 986 Boxster 2.5L / 2.7L / 3.2L 1997 - 2004
Diagram ref no 13
It locks the exhaust joint together at the connecting pipe/U-bend interface, maintaining alignment and helping prevent exhaust leaks, vibration, and movement under heat expansion. A fresh clamp is especially important after exhaust removal, where old clamps often seize or deform and can’t be reused reliably.
Function:
• Provides secure clamping force at the U-tube/connecting pipe joint
• Helps maintain a tight, leak-resistant seal under heat cycling
• Supports proper exhaust alignment to reduce rattles and stress on joints
Exhaust clamps live in a harsh environment and commonly rust, seize, and become impossible to loosen without damage. Replacing the clamp during exhaust work helps ensure the joint reseals properly, avoids leaks and rattles, and prevents wasted time fighting corroded hardware.
When to replace:
• When removing/refitting the U-bend or connecting pipe
• If the clamp is corroded, seized, stretched, or deformed
• If you have exhaust blowing/leak noise at the joint
• If bolts/threads are damaged or won’t torque correctly
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611120900
The product you are viewing cross references to these numbers
OEMatch Brackets / Clamps / Straps — Fit, Function, Confidence
Small mounting parts that secure and support Porsche exhaust systems, engineered to control alignment, absorb vibration and reduce unwanted noise. Correct fixing points and appropriate materials help preserve joint seals, prevent sagging and limit transmission of engine and road vibration into the cabin or bodywork.
Available Types
- Exhaust mounting brackets and hangers for chassis attachment
- Stainless-steel straps and clamp assemblies for pipe and silencer joints
- Rubber-insulated hangers, mounting bolts and dedicated fasteners
Understanding OEMatch Brackets / Clamps / Straps
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original brackets, clamps and straps.
OE (Original Equipment) refers to parts matching original specifications for the brackets, clamps and straps and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM brackets, clamps and straps engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
OEMatch provides a broad range of Porsche-fitment mounting hardware and related fasteners, drawing on a catalogue that documents thousands of part numbers and cross-references. The selection covers common exhaust hangers, dedicated straps and clamp sizes used across classic and modern Porsche models, with ongoing development to extend coverage.
Benefits Include
- Restores correct exhaust alignment to protect joints and flanges
- Reduces rattles and vibration transmitted to the body
- Corrosion-resistant finishes extend service life in exposed locations
Why Brackets / Clamps / Straps Wear and Fail
- Corrosion from road salt and moisture leading to metal loss and weakening
- Metal fatigue and heat cycling causing cracks, deformation or stretched straps
- Deterioration of rubber mounts and isolators that lose damping properties
The Importance of Replacing with OEMatch Brackets / Clamps / Straps
Replacing worn or damaged mounting hardware keeps a Porsche exhaust correctly supported and aligned, preventing additional stress on pipes, joints and silencers. Correctly chosen brackets and clamps reduce the risk of leaks, limit noise and vibration, and make subsequent maintenance or repairs simpler and less intrusive. For restoration or routine maintenance, renewed mounting parts help preserve the overall refinement expected from Porsche models.
Advantages
- Direct-fit designs selected for Porsche applications to match original mounting points and clearances
- Materials and finishes chosen to resist heat and corrosion in exhaust environments
- Wide choice of shapes and fixings to suit restoration and repair needs
