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Brackets / Clamps / Straps
By OE Match
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
Restore the secure mounting of your rear exhaust muffler system with this mounting kit. Designed for Porsche 911 (993) Carrera 2 and Carrera 4 models, this kit contains all the necessary brackets, clamps, straps and fasteners to correctly mount your muffler to factory specifications. Whether your existing hangers are fatigued, rusted or stretched, installing this kit ensures precise alignment, quiet operation and long-term durability.
Fits:
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
What This Product Does:
- The muffler mounting kit secures the muffler(s) (rear silencer section of the exhaust system) to the vehicle’s chassis/body under the car.
- It ensures correct alignment of the muffler, holds it in place under vibration, heat cycles and road loads, prevents excessive movement, rattling or contact with the body or suspension.
- Proper mounting safeguards the exhaust system’s integrity: keeps the muffler in the correct position, ensures the hangers/straps are not stretched or damaged, avoids stress on the exhaust pipes, avoids under-body contact and prevents exhaust noise or failure of hangers.
Symptoms & Signs You May Need Replacement:
- Excessive rattling, knocking or vibration under the car at the rear, especially from the muffler area when accelerating, decelerating or going over bumps — a worn/missing mount may allow movement.
- Visible movement or sag of the muffler away from its factory position; misalignment or sagging often means the mountings/hangers are fatigued, corroded or broken.
- Broken, corroded, or missing brackets, straps, clamps or bushings around the muffler mounting area — common on older 993 cars where road salt, heat and age have degraded components.
- Exhaust contact with body or suspension parts — if the muffler shifts due to failed mounting, you may see abrasion marks, burnt body panels or damage to surrounding components.
- Exhaust system repairs or muffler replacement: If you are already replacing the muffler and find mounting hardware is worn, replacing the full kit ensures the new muffler is mounted correctly and reduces future issues.
- Preserves the exhaust system’s function and durability: Proper mounting reduces stress on pipes, joints and the muffler body — which helps avoid cracks, leaks or joint failures.
- Reduces noise and vibration: A secure muffler reduces unwanted movement, prevents rattles and ensures the exhaust system behaves as intended.
- Maintains fit & alignment: On premium cars like the 911 993, correct alignment and mounting of the muffler is part of the overall build quality.
- Prevents damage to other components: A loose muffler may lead to additional damage — for example heat damage to body panels, interference with suspension elements or damage to hanger tabs.
- Cost-effective preventative maintenance: While the muffler may be fine, the mounting hardware often degrades—replacing it when you have access prevents future issues and may save on labour.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PCG99311100
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- catalytic converter to rear muffler clamp
- rear muffler to tail pipe clamp
Fits:
Porsche 993 Carrera 1994-98
Porsche 993 Turbo
Click 'Zoom in' for large parts diagram.
Diagram ref no 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811142700
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
This OE Match exhaust muffler strap is a direct replacement for the original Porsche component used in the 993 exhaust system. It is designed to wrap around and support the rear silencer, securing it firmly to the vehicle’s mounting brackets. It fits either left or right side silencers and is commonly used in pairs, with one strap per muffler. Additional hardware (bolt) may be required: 90006736201
Sold individually
Fits:
Porsche 993 C2 / C4 1994 - 1998
* not turbo models
Diagram Ref No 1
The muffler strap holds the exhaust silencer securely in place, preventing movement or sagging. It helps maintain proper exhaust alignment while reducing vibration and stress on exhaust joints and mounting points.
Function
• Secures the exhaust muffler to the vehicle chassis
• Maintains correct exhaust alignment and positioning
• Absorbs and reduces vibration from exhaust system
• Prevents excessive movement or sagging of the silencer
• Supports long-term durability of exhaust components
Exhaust straps are exposed to constant heat cycles, moisture, and road debris, which can lead to corrosion or fatigue over time. A worn or broken strap can cause the muffler to loosen or misalign, leading to noise, vibration, or damage to the exhaust system. Replacing it ensures secure mounting and preserves exhaust system integrity.
When to replace
• Visible corrosion, cracking, or fatigue
• Loose or sagging exhaust muffler
• Increased vibration or rattling noise
• During exhaust repair or replacement
• Missing or damaged mounting strap
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99311111907
The product you are viewing cross references to these numbers
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
Fits:
Porsche 993 1994-98 (not Turbo)
Replacement o-ring,
- fits between catalytic converter and silencer
- fits between silencer and tail pipe.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92811124607
The product you are viewing cross references to these numbers
-
air cleaner 993 1994-98 106-00
-
exhaust system muffler catalytic converter 993 CARRERA 1994-98 202-00
-
exhaust system repair kits 993 CARRERA 1994-98 202-01
-
exhaust system heat exchanger 993 CARRERA 1994-98 202-05
-
exhaust system heat exchanger 993 TURBO 1994-98 202-10
-
exhaust system muffler catalytic converter 993 TURBO 1994-98 202-15
-
turbocharger oil pump for turbocharger 993 1994-98 202-16
-
stabiliser 993 1994-98 402-05
-
compressor and mounting driving mechanism for 993 CARRERA/4 1994-95 and 993 TURBO 1995-98 813-20
-
headlamp fog headlamp direction, indicator light direction, indicator light 993 1994-98 905-00
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
