Armytrix Catback uitlaat Audi S4 B9 Tips:Matt Black The system also includes a

The system also includes a 4" / 103mm carbon fibre Intake pipe with a heat shield and all the necessary hardware for direct installation

Includes a receiver for valve control

Fitment is confirmed only for North American RS4 / RS5 models

the kit is extremely durable

Armytrix Catback uitlaat Audi S4 B9 Tips:Matt Black The system also includes aThe Armytrix catback exhaust for the Audi S4 B9 is manufactured from high quality T304 stainless steel. This exhaust system features an active valve system (Valvetronic), which allows the exhaust note to be adjusted via a remote control or app. With the valves open, it produces a very aggressive sound, whilst with the valves closed it remains quiet and comfortable. The exhaust features unique 3. 5" 90mm tailpipes, available in chrome, black, carbon