Racing Dynamics Secondary Catted w/HS By-Pass Pipe, 971 Porsche Panamera GTS/Sport Turismo 4.0L V8 2020-23 - 971 10 20 175
16th Jul 2025
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Racing Dynamics Secondary Catted with Heat Shield By-Pass Pipes are designed specifically for high-performance track applications for the Porsche Panamera lineup equipped with the 4.0L V8 engine. These pipes are engineered to replace the restrictive factory secondary catalytic converters with straight-through pipes, delivering noticeable performance and sound improvements.
Key Features:
- Constructed from high-grade 304 stainless steel for strength and corrosion resistance
- Integrated catalytic converter canisters for an OEM visual appearance
- Straight-through design increases exhaust flow for enhanced horsepower and torque
- Estimated gains: +20 HP and +20 lb-ft torque
- Reduced overall vehicle weight for better handling dynamics
- Deepens turbocharged engine sound and sharpens throttle response
- Includes O2 sensor bungs on each pipe for proper sensor relocation
- Heat shielding incorporated to manage thermal load near sensitive components
Vehicle Fitment:
These Racing Dynamics Secondary Catted By-Pass Pipes are compatible with the following Porsche Panamera 4.0L V8 models:
- Porsche Panamera GTS 4.0L V8 (2020–2023)
- Porsche Panamera GTS Sport Turismo 4.0L V8 (2020–2023)
- Porsche Panamera Turbo 4.0L V8 (2017–2021)
- Porsche Panamera Turbo Sport Turismo 4.0L V8 (2017–2021)
- Porsche Panamera Turbo S E-Hybrid 4.0L V8 (2017–2021)
- Porsche Panamera Turbo S E-Hybrid Sport Turismo 4.0L V8 (2017–2021)
Important Note: This product is intended for off-road or track use only. It is not legal for use on public highways and is not for sale or use in California.