Audi A4 2.0 B9 Quattro - Road+ Part Resonated Cat Back Exhaust System with Dual GT-100 Polished Trims Seat / Cupra > Leon > 2.0 TDI 140PS > 2004 to 2012 making them a direct replacement

making them a direct replacement for BMW part: 18308485758

Along with the improved deeper sound track

Replace your tired and worn diverter valve

This exhaust is also available with de-cat option and is sold for motorsport and off road use only and will NOT be able to pass a UK MOT emissions test or police road side checks

We believe in continuous evolution

Audi A4 2.0 B9 Quattro - Road+ Part Resonated Cat Back Exhaust System with Dual GT-100 Polished Trims Seat / Cupra > Leon > 2.0 TDI 140PS > 2004 to 2012 making them a direct replacementOur range of Cat Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your Cat Back system