GFB T9025 RESPONS TMS ADJUSTABLE BIAS VENTING DIVERTER VALVE - AUDI A3 8L 1.8T W212 E63 high-performance alternative we recommend the

high-performance alternative we recommend the Snow Performance ProLine Universal Boost Cooler Stage 2E Power-Max

BMW M2 M3 M4 spacers

Adjustable Ride Height Springs for BMW G81 M3 Competition Touring

Complete kit - matched springs and dampers

GFB T9025 RESPONS TMS ADJUSTABLE BIAS VENTING DIVERTER VALVE - AUDI A3 8L 1.8T W212 E63 high-performance alternative we recommend theAll the performance with or without the noise! If cars like yours typically suffer issues such as backfiring and stalling when using a fixed ratio atmosphere venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow off sound without having to put up with the issues. Like all GFB valves, the Respons utilises GFBs proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle