Probably the easiest and best modification you can do for the RS3.
Milltek secondary cat bypass pipes:
Probably the easiest and best modification you can do for the RS3.
Milltek secondary cat bypass pipes:
The official RS3 Owners Club forum - www.audirs3oc.com
They are about £200 but you fit be able to get secondhand ones from the TTRS as they are the same. What do they do?? Make your car sound like that ^^^^ lol