GFB T9002 RESPONS TMS ADJUSTABLE-BIAS VENTING DIVERTER VALVE / BLOW-OFF VALVE - MAZDA 6 GG 2.3 MPS Deals_Sale We have fitted these springs

We have fitted these springs to customer E93 335d cars and the feedback is consistently positive

and a predictable

Perfect for everyday commuting and spirited B-road runs

230i brake upgrade

GFB T9002 RESPONS TMS ADJUSTABLE-BIAS VENTING DIVERTER VALVE / BLOW-OFF VALVE - MAZDA 6 GG 2.3 MPS Deals_Sale We have fitted these springsAll 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