Audi A4 exhaust system how to change?
See you change the middle or the tail section to change the four rows need to change the post-insemination
You can use the German Repose modified under the exhaust pipe, before I use the car Repose exhaust pipe, launched moment is enough, and the sound is really to force.
Repose exhaust system is more suitable for A4, the sound and speed can have a more substantial increase.
