Description
Audi TTRS 8S 2.5T 2017-2023 Cat-bypass Pipe (Decat) – Mach5 is a Mach5 downpipe or race-pipe upgrade built for the model and engine application shown above. Its vehicle-specific layout keeps the upgrade focused on the stated application. Review the configuration below to make sure every hardware choice matches the car.
Configuration
- Vehicle-specific downpipe/race-pipe section
- Catless/decat configuration
The catless layout removes the catalyst substrate from the stated exhaust section, keeping the hardware choice clear for the intended build.
Configuration note: Catalyst hardware must match the vehicle and intended installation. Confirm the factory catalyst setup and applicable local requirements before purchase.
Fitment: Suits the model and exhaust configuration shown in the title. Confirm model year, engine, body style and catalyst setup before purchase.

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