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- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
The Fabspeed Center Muffler Bypass X-Pipe is a high-performance exhaust upgrade developed specifically for the Porsche 911 991.2 GT2 RS from 2018 onward, including Weissach and Manthey MR-equipped cars.
Fits:
- Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19
Designed to replace the factory titanium centre muffler, the system provides a freer-flowing exhaust path while retaining the vehicle's original catalytic converters.
At the centre of the system is Fabspeed's investment-cast X-pipe. The crossover allows exhaust gases from the two sides of the engine to merge through a carefully shaped central opening, helping reduce restriction, balance exhaust flow and produce a stronger, more exotic exhaust note.
The system is manufactured from 14–16 gauge T304 stainless steel with larger-diameter CNC mandrel-bent tubing. It provides a durable alternative to the original titanium centre muffler while increasing exhaust sound and supporting improved throttle response and performance.
Fabspeed currently lists a +20 HP performance gain for this product. Actual gains can vary according to vehicle condition, fuel, environmental conditions and other modifications.
What This Product Does:
The Fabspeed X-pipe replaces the original centre muffler in the rear exhaust system.
It is designed to:
- Reduce restriction through the centre exhaust section.
- Improve exhaust gas flow.
- Replace the factory titanium centre muffler.
- Increase exhaust volume.
- Produce a more dynamic GT2 RS exhaust note.
- Improve throttle response.
- Support increased engine performance.
- Retain the original catalytic converters.
- Maintain a catalyst-equipped exhaust configuration.
- Provide a durable stainless-steel replacement for the factory centre muffler.
- Allow straightforward installation and removal using the existing clamped exhaust arrangement.
Symptoms Of Wear Or Failure:
Possible symptoms of deterioration in the original centre muffler include:
- Metallic rattling.
- Exhaust blowing noises.
- Cracks around welds.
- Visible exhaust leakage.
- Soot around damaged joints.
- Increased exhaust noise.
- Muffler casing damage.
- Loose internal components.
- Exhaust vibration.
- Exhaust hanging incorrectly.
- Damaged inlet or outlet connections.
- Exhaust contacting surrounding components.
- Heat-related structural deterioration.
A damaged muffler should be inspected before continued high-load or track use.
Why Replacement Matters:
Replacing a damaged or restrictive centre muffler section helps restore:
- Correct exhaust sealing.
- Safe routing of hot exhaust gases.
- Proper exhaust alignment.
- Structural integrity.
- Consistent exhaust flow.
- Reliable mounting.
Upgrading to the Fabspeed X-pipe additionally provides:
- Increased exhaust sound.
- Reduced centre-section restriction.
- Improved throttle response.
- A more performance-focused exhaust character.
- Retention of the factory catalytic converters.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR9912GT2RSCMX
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
DesignTek sport exhaust rear boxes are design to give a better throttle response, and also allowing the engine to breather. DesignTek exhaust sounds slightly deeper than the original Porsche standard exhaust. All DesignTek Exhaust Systems are manufactured from 14 - 16 gauge extra heavy duty T304 stainless steel, which eliminates the splitting, cracking and annoying resonance.
Fits:
Porsche 993 1994-97 (not Turbo & GT2)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
3606009301
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
Loud and aggressive performance exhaust system recommended for track use only; replaces the restrictive factory mufflers with a free-flowing resonated design.
Fabspeed's Porsche 993 Supercup Exhaust System utilizes track-specific tuning to bring out the most aggressive sound and performance for your Carrera. Precision-made from T304L stainless steel, this exhaust will save 11 lbs. while adding 15 horsepower. Our engineers designed this exhaust to deliver its power at higher RPM ranges for ideal performance during track and motorsport events.
This exhaust installs easily without the need for adapters, cutting, or welding. Simply remove the old exhaust and bolt on this new component using the original ball-joint clamps. Included turndowns can be easily installed and removed in order to lower the exhaust volume when desired. As always, this component is backed by Fabspeed's lifetime limited warranty.
FEATURES:
• Fits: all Porsche 993 Carrera vehicles (1994-1998)
• Improves exhaust flow and sports car sound
• Adds 15 whp greatly improving throttle response
• Saves 11 bs from rear of car
• Optimized for use at high-RPM during track and motorsport events
• Complete T304L stainless steel construction; 14-16ga CNC mandrel-bent 2.25" tubing
• Direct replacement for the factory mufflers
• Includes removable turndowns that are "easy on & easy off" for lowering the exhaust volume when desired
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty
• DISCLAIMER: The original factory ball-joint clamps must be re-used when installing Fabspeed exhaust products on all 993 Carrera vehicles.
Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.
Please note: It is illegal to fit this product for road use on type-approved vehicles first used on or after 1/3/2001
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR993SCUP
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: all Porsche 993 Carrera vehicles 1994-1998 - 3.6 liter / 3.8 liter and engines
Fabspeed's RSR Header Muffler Kit is a full exhaust system developed for track use provides an aggressive exhaust note while adding horsepower, torque, and throttle response; available as single or dual outlet and with or without heat exchange. Works great on street cars too. This Header/Muffler kit is built from the ground up to optimize performance for the Porsche 993 Carrera. Beyond just improving horsepower, torque, and throttle response, this package will also reduce the overall weight of your car by 43 pounds, which improves handling and acceleration.
SOUND:
This kit is designed specifically for use on the track, but works well for street drivers who want an aggressive and track-inspired exhaust note.
POWER:
We developed every inch of it to bring out the aggressive performance that the Carrera is capable of. On our dyno we saw gains of 29whp and 25ft/lbs of tq.
FEATURES:
• Loud and aggressive cup car sound
• 1.75" / 45mm Header tubes, 26" long
• This system can be ordered with single or double outlets
• Maintain your factory in-cabin heat with the optional heat exchange on the headers
• Saves 43lbs from the rear of the vehicle with heat exchange option, and saves 47lbs without heat exchange option
• Constructed from mandrel bent T304L stainless steel
• Simple DIY bolt-on installation, no cutting or welding required
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty
NOTE:
This package can be purchased with a heat exchange on the headers that will help maintain the factory in-cabin heat. Without the exchange system, you'll save an additional 4 lbs, for a total of 47 pounds of weight reduction.
PURCHASE DISCLAIMER: Fabspeed Motorsport does not condone the use of emission defeat devices for any vehicles used on public streets or roadways. Fabspeed Motorsport will not tamper, remove, disable, or bypass emissions equipment on a motor vehicle in accordance with 40 CFR Section 86.1854.12(a)(3), Clean Air Act 40 CFR 1068.101(b). This includes software, known as tunes, that reprogram a motor vehicles electronic control module to alter engine performance and enable the removal of filters, catalysts, and other critical emissions controls.
Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.
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.
FSPOR993RSRWOH
The product you are viewing cross references to these numbers