GFB T9025 RESPONS TMS ADJUSTABLE BIAS VENTING DIVERTER VALVE - AUDI A3 8L 1.8T W212 E63 BMW M2 M3 M4 spacers

BMW M2 M3 M4 spacers

and the civilised character when the valves are closed

high flow catalytic converter

alloy strut bar

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

GFB T9025 RESPONS TMS ADJUSTABLE BIAS VENTING DIVERTER VALVE - AUDI A3 8L 1.8T W212 E63 BMW M2 M3 M4 spacersAll 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