Audi S4 2.7T quattro B5
1997 to 2001
Cat Replacement PipesMust be fitted with the Milltek Sport 3-inch cat-back system (SSXAU013) only and requires a Stage 2 ECU remap
This product is:
* Pipe sizes may vary from part-to-part. Pipe diameters are indicative of the system as a whole and do not necessarily mean every part is of a uniform size.