Bull-X Exhausts produces exhaust systems and downpipes to the highest standard. This Bull-X lower downpipe section, or mid-silencer replacement pipe, is designed for the Audi A4/A5 B8 2.0 TFSI.
Would you like to achieve more power from your TFSI engine while reducing the load on the turbocharger? The downpipe plays an important role in engine response and performance. It forms the link between the turbocharger and the exhaust system. The larger the pipe diameter and the better the flow, the more easily the turbocharger can discharge the processed exhaust gases through the exhaust system. This has a positive effect on torque, power and the sound, particularly when combined with a modified exhaust system.
- Material: stainless steel
- Replaces the mid-silencer
- Without TÜV approval
- Pipe diameter: 3″/76 mm
Key benefits
- The turbocharger can discharge exhaust gases more easily, resulting in increased power
- More torque, as the turbocharger reaches operating speed more quickly and is not slowed down as heavily
- Lower exhaust gas temperature, reducing the load on the exhaust manifold and turbocharger
- OEM connections allow plug-and-play installation
- Manufactured from stainless steel
Road use: This product is not permitted for use on public roads and is intended for motorsport use only. For road use, only a combination with an EG-approved HJS catalytic converter is permitted; other combinations are not approved for public-road use.
Suitable for: Audi A4 III (B8), Audi A5 I (B8).
Manufacturer’s vehicle data
- Bull-X Downpipe Unterteil/ VSD-Ersatzrohr 3″ Audi A4/A5 B8 2.0 TFSI
Original product name by HG Motorsport (»z.B.« = e.g.). Please check model, year and engine of your vehicle before ordering; if in doubt, contact us and we will check for you.
Approval
This part has no ECE, ABE or Teilegutachten approval — it is intended for track / off-road use.

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