Airtec Motorsport Big Boost Pipe Kit for Bmw B58 Option(S):ATMSBMW12 these exhausts replace the centre

these exhausts replace the centre and rear sections

Shop By Car/Audi/S4 (B7)

Please check your factory air box to see which air flow sensor you have

7 seconds (when equipped with the optional Performance Package)

Offered in a choice of either sophisticated matte finish

Airtec Motorsport Big Boost Pipe Kit for Bmw B58 Option(S):ATMSBMW12 these exhausts replace the centreTECHNICAL DATA As part of our expanding BMW product range, AIRTEC Motorsport are proud to launch our cold side boost pipe kit for track or fast road use. In original form, due to the thin plastic construction these pipes are known to split or fracture even at standard levels of boost and when pressure is increased with a remap they are more prone to failure. Our direct replacement pipes are made from high quality aluminium that can withstand any