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Fabspeed Link Comp Pipes. Porsche 997.2 GT2 RS (2011) › FSPOR9972GT2RSCB
- Porsche 997 MKII GT2 RS 2011-13
The Fabspeed Porsche 997.2 GT2 RS Competition Cat Bypass Pipes are a specialist performance exhaust upgrade developed for the 2011 Porsche 911 GT2 RS.
Fits:
- Porsche 997 MKII GT2 RS 2011-13
Designed to replace the factory catalytic converters with straight-through stainless steel pipework, these competition bypass pipes provide a less restrictive exhaust path while delivering a louder, more aggressive motorsport-inspired exhaust note.
The Porsche 997.2 GT2 RS is one of the most focused models in the 911 range, featuring a powerful 3.6-litre twin-turbocharged flat-six engine and a lightweight, track-oriented design.
Its factory exhaust system is engineered to balance high performance with emissions control, durability and noise requirements. The catalytic converters form an important part of that system, treating harmful exhaust gases before they exit the vehicle.
For dedicated motorsport applications where a catalytic converter bypass is permitted, Fabspeed developed these competition pipes to replace the original catalytic converter assemblies with direct-flow alternatives.
Manufactured from high-quality 14–16 gauge T304 stainless steel, the pipes use CNC mandrel-bent tubing to maintain smooth bends and consistent internal dimensions.
The assemblies are TIG-welded to provide strong, precisely joined connections capable of withstanding the demanding temperatures and vibration associated with high-performance turbocharged engines.
Removing the catalytic converters from the exhaust path reduces the restriction associated with the original catalyst assemblies. This may influence exhaust backpressure, turbocharger operating conditions and engine response.
The straight-through design also produces a more pronounced exhaust sound, emphasising the distinctive character of the GT2 RS twin-turbocharged flat-six engine.
Fabspeed developed the pipes specifically for the 2011 Porsche 997.2 GT2 RS, with an application-specific bolt-on configuration that allows the original components to be removed and refitted when required.
This makes the product particularly suitable for dedicated race cars and track-focused GT2 RS builds where the applicable motorsport regulations permit their use.
What This Product Does:
The Fabspeed Competition Cat Bypass Pipes replace the original catalytic converter assemblies with straight-through exhaust sections.
Their primary functions include:
- Replace the Factory Catalytic Converters: Remove the original catalyst assemblies from the corresponding exhaust positions.
- Provide a Direct Exhaust Flow Path: Allow exhaust gases to pass through the replacement pipework without the original catalyst substrates.
- Reduce Catalyst-Related Exhaust Restriction: Eliminate the flow resistance associated with the replaced catalytic converters.
- Support Turbocharger Exhaust Flow: Provide a less restrictive route for gases leaving the turbocharger system.
- Enhance Exhaust Sound: Produce a louder and more aggressive twin-turbocharged exhaust note.
- Support Motorsport Performance: Provide a competition-oriented exhaust configuration for suitable closed-course applications.
- Maintain Smooth Pipe Geometry: CNC mandrel-bent construction helps preserve consistent internal flow through bends.
- Provide Durable Construction: T304 stainless steel offers resistance to exhaust heat and corrosion.
- Use Precision Welding: TIG-welded joints provide durable connections within the exhaust assembly.
- Maintain Vehicle-Specific Fitment: Designed for the 2011 Porsche 997.2 GT2 RS exhaust arrangement.
- Allow Reversible Installation: The factory catalytic converters can be reinstalled using the appropriate mounting hardware and procedures.
Symptoms Of Wear Or Failure:
The Fabspeed Competition Cat Bypass Pipes are primarily a motorsport upgrade rather than a routine service replacement.
However, wear or damage to existing exhaust components may also make exhaust repair or replacement necessary.
Common symptoms include:
- Hissing, ticking or blowing noises.
- Unusual exhaust noise during acceleration.
- Black soot around exhaust joints.
- Exhaust fumes around the rear of the vehicle.
- Visible damage to exhaust connections.
- Check engine light.
- Catalyst-efficiency diagnostic fault codes.
- Rattling from damaged catalyst material.
- Increased exhaust restriction.
- Reduced engine performance where a catalyst is severely blocked.
- Failed emissions testing.
- Cracks around welds or mounting flanges.
- Excessive exhaust noise.
- Soot marks around fractures.
- Distorted or bent pipework.
- Increased vibration.
Why Replacement Matters:
Installing the Fabspeed Competition Cat Bypass Pipes changes the exhaust configuration of the Porsche 997.2 GT2 RS by replacing the original catalytic converters with direct-flow pipes.
For suitable motorsport applications, the principal benefits are reduced catalyst-related restriction, a more aggressive exhaust sound and durable competition-oriented construction.
- Less Restrictive Exhaust Path: Removes the original catalytic converter substrates from the exhaust flow.
- Potentially Improved Turbocharger Response: Reduced downstream restriction may contribute to changes in turbocharger operating characteristics.
- Aggressive Motorsport Sound: Enhances the distinctive exhaust note of the GT2 RS twin-turbocharged engine.
- Straight-Through Construction: Provides a direct exhaust passage for competition applications.
- T304 Stainless Steel: Offers excellent resistance to corrosion and high exhaust temperatures.
- CNC Mandrel-Bent Tubing: Maintains smooth bends and consistent pipe dimensions.
- TIG-Welded Construction: Provides strong, precise exhaust pipe connections.
- Application-Specific Design: Developed for the 2011 Porsche 997.2 GT2 RS.
- Bolt-On Installation: Designed to replace the corresponding factory catalytic converter sections.
- Reversible Modification: Allows reinstallation of the original catalyst assemblies.
- Suitable for Track-Focused Builds: Provides an exhaust configuration for appropriate closed-course motorsport applications.
- Fabspeed Motorsport Engineering: Manufactured by a specialist in Porsche performance exhaust development.
- Lifetime Warranty: Covered by Fabspeed's stated lifetime warranty, subject to its applicable conditions.
NOTE: In the United Kingdom, sports catalytic converters and bypass pipes do not have type approval and are not legally permitted for use on vehicles manufactured after 1st March 2001. They are not MOT compliant and cannot be used on public roads. These components are intended solely for race and track use.
For vehicles manufactured before 1st March 2001, a non-type approved sports catalytic converter may be fitted, provided it offers comparable performance to the original and the vehicle continues to meet the applicable emissions standards for its age. The vehicle must still pass an MOT test.
If you are located outside the UK, please check your local laws and regulations to ensure compliance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR9972GT2RSCB
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