Bull-X Downpipe Audi RS3 8V/8Y, TTRS 8S quattro OPF 400 hp
A downpipe is one of the most popular turbo-engine upgrades. A freer-flowing exhaust side can add a sportier sound while supporting throttle response and power potential. Read more in the Futurez downpipe guide.
This product does not have model-specific ECE approval. It is intended for motorsport and other off-road enthusiast use.
Bull-X Downpipe Audi RS3 8V/8Y, TTRS 8S quattro OPF 400 hp offers vehicle-specific bolt-on fitment in place of the original downpipe. Its larger diameter and freer-flowing shape reduce back pressure after the turbocharger. This can sharpen turbo response and reduce exhaust-side thermal load, particularly on tuned engines.
- Pipe size mallikohtainen
- Vehicle-specific construction
- Freer-flowing design reduces exhaust back pressure
- Helps reduce thermal load on the turbocharger and exhaust side
- Manufactured from stainless steel
- TIG-welded construction
- Also available in a heatshielded version
- Made in Germany
Catalytic-converter options
- 2 x 100-cell catalysts
- 2 x HJS 200-cell EOBD
- 2 x 200-cell catalysts
- Without catalytic converter
An unapproved catalyst version or catalyst-delete pipe is intended for motorsport and off-road enthusiast use. Do not use an unapproved version on public roads, and always check the current road regulations. On some models, a freer-flowing catalyst may trigger a warning light because the ECU monitors exhaust flow. In these cases, the ECU settings may need adjustment or the downstream oxygen sensor may require a suitable adapter.
Examples of compatible vehicles
- Audi RS3 8V/8Y, TTRS 8S quattro OPF 400 hp — model years: Audi RS3 2015–2025, Audi TT-RS 2016–2023
Before ordering, verify the engine and body version, model year and the exact vehicle coverage of the selected catalytic-converter approval.
















