Resonated (quieter). Diffuser has to be trimmed for the right tailpipe or replace with an original diffuser from an S5 (with an S-Line exterior kit).
For info on the fitting point to the OEM pipework, please see the photos in the gallery and the info below:
- For 1.8T engines the exhaust fits after the OEM downpipe
- For 2.0T engines the exhaust fits after the OEM silencer.
A4 (B8) Petrol Turbo 2WD/Quattro (08+)
Twin Round 80mm Quad
For 1.8T after downpipe/For 2.0T after first silencer
70 + 57mm