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Exhaust sleeve catalytic converter to silencer. Porsche 996 / 997 ❭ 99711152000
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C2S 3.8L (400Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
- Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16
Connecting sleeve from cat to rear silencer.
Price is for each sleeve.

Fits:
Porsche 996 1998-05 (not Turbo and GT2)
Porsche 997 2005>> (not Turbo and GT2)
Porsche 991 Carrera C2 3.4L (350Bhp)
Porsche 991 Carrera C2S 3.8L (400Bhp)
Porsche 991 Carrera C4 3.4L (350Bhp)
Porsche 991 Carrera C4S 3.8L (400Bhp)
Fits cars with and without sport exhaust
Click 'Zoom in' for large parts diagram.
Diagram ref no 13
This high-quality exhaust connecting sleeve joins the catalytic converter to the rear silencer on Porsche 996 and 997 models, offering a superior solution compared to the original Porsche part and many aftermarket alternatives.
Manufactured to tighter tolerances and improved material quality, this upgraded exhaust sleeve provides a more precise fit, improved sealing, and enhanced durability over time. Unlike the original OE sleeve – which can be prone to corrosion and fitment issues as the vehicle ages – this version is designed to deliver long-term reliability and ease of installation.
Crucially, this sleeve is engineered to fit both Porsche 996 and Porsche 997 applications, making it a more versatile and cost-effective option than other aftermarket versions that are often model-specific or require modification.
Direct replacement for Porsche part number 99711152000
Fits Porsche 996 and Porsche 997 models
Improved fit and sealing versus the original OE sleeve
Higher quality construction than typical aftermarket alternatives
Reduces the risk of exhaust leaks and future corrosion
Ideal for exhaust repairs, restorations, or upgrades
Price is per individual sleeve
Whether you are refreshing a tired exhaust system or carrying out a full overhaul, this exhaust sleeve offers a better-than-OEM solution trusted by Porsche specialists and enthusiasts alike.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99711152000
The product you are viewing cross references to these numbers
- Porsche 992.2 Carrera 2 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L 2024>>
- Porsche 992.2 Carrera 2 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Carrera 4 GTS 3.6L Cabriolet 2024>>
- Porsche 992.2 Targa 4 GTS 3.6L 2024>>
Open up more sound on your 992.2 GTS with the SOUL Sport Cat Downpipe. No CEL, No Tune, No OBD Killer required. Just bolt on and go!
• Fits ALL 992.2 Porsche 911 Carrera GTS Models (2025+) worldwide
• Weighs 10.65 lbs less than factory exhaust (16.75 lbs vs 27.4 lbs)
• No CEL – No OBD Killer Required
• Designed and built in-house at our Willow Grove, PA facility completely out of stainless steel.
• All Soul Performance Products components are backed by a renowned Lifetime Warranty for both street and track use
SOUL 992.2 GTS Sport Cat Downpipe – Unleash the True Sound of Your Porsche 911 GTS
Porsche set a new benchmark with the 992.2 Carrera GTS - the first road-legal 911 to feature a hybrid-assisted powertrain. Unlike recent 911 models, the GTS is equipped with a single large turbocharger, instead of two smaller turbos. However, strict European emissions and sound regulations required Porsche to fit the car with an oversized muffler and restrictive catalytic converters.
The result? A muted flat-six soundtrack and a loss of the thrilling big-turbo character that true enthusiasts expect. The factory system holds back both performance and emotion, leaving drivers wanting more from their 992.2 GTS experience.
The SOUL 992.2 GTS Sport Cat Downpipe transforms your driving experience by unlocking the raw, turbocharged voice of the 992.2 Carrera GTS. Featuring a high-flow sport catalytic converter, this system dramatically reduces backpressure while maintaining emissions compliance and everyday drivability. With precision engineering that integrates seamlessly with Porsche’s factory particulate monitoring system, you can enjoy exhilarating sound and performance—without check engine lights or the need for OBD blockers.
Whether carving backroads, hitting the track, or commuting daily, the SOUL Sport Cat Downpipe delivers the sound, power, and character your GTS deserves.
Key Benefits:
• Frees up the authentic flat-six and single big turbo sound, reminiscent of the legendary Porsche 930 Turbo
• High-flow sport catalytic converter reduces backpressure for improved performance
• Retains factory drivability with civilized sound when valves are closed
• No check engine lights – engineered to work with factory monitoring system (no OBD blockers needed)
• Over 10 pounds lighter than the restrictive OEM downpipe assembly
• Enhances the personality of your 992.2 GTS while keeping it comfortable for daily use
Take your Porsche 992.2 Carrera GTS to the next level with the SOUL 992.2 GTS Sport Cat Downpipe —where performance, sound, and drivability meet.
Construction: The 992.2 Carrera GTS is the most advanced 911 GTS ever—and our SOUL Sport Cat Downpipe is engineered to match. Using next-generation metal 3D printing technology, we’ve created precision components that maximize flow, durability, and performance. Every system is proudly handcrafted in the USA, built from mandrel-bent, thick-wall .065″ T304L stainless steel for exceptional strength and reliability.
Back-purged TIG welding with ARCAL™ Prime argon gas ensures maximum weld penetration, strength, and long-term durability under extreme conditions. Each water jet–cut flange is manufactured to ISO 9001:2015 standards with ultra-tight tolerances of +/-0.003 inches, guaranteeing exact alignment.
Bolt On and Go: The 992.2 GTS Sport Cat Downpipe is built and tested in a thick gauge aluminum fixture to prevent warping and to ensure perfect fitment. Every component undergoes rigorous quality control and is fixture-tested to guarantee precise fitment. To ensure your order arrives safely, all parts are carefully foam-packed and protected in transit, so you receive your new system in perfect condition and ready to install. New high-grade hardware is included for the bracketry.
Lifetime Warranty: You own a 992.2 GTS so of course you are going to want to take it to the racetrack. Especially once you hear how good it sounds with our GTS Sport Cat Downpipe. That is why our system is backed by a Lifetime Warranty for both street and track use! And our dedicated support team is always ready to answer questions you may have and provide quick solutions in the unlikely event that you should experience an issue. We are here to ensure you enjoy unmatched reliability and peace of mind with every mile.
Please note: This item is not a stock product. It is a special order part and once ordered with us is not subject to cancellation or return unless proven not fit for purpose or defected.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
POR.9922GTS.SCC
The product you are viewing cross references to these numbers
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