GFB Respons TMS Adjustable BOV For Subaru Impreza New Age 02-07 & Hatch 08 STI Model_Mx5NB Increasing the bore of the

Increasing the bore of the downpipe and replacing the restrictive catalytic converter allows the exhaust gasses to flow much more freely

Dish Size: 30mm Approxmately

Free flowing system to release more power from the BRZ

Direct bolt-on on fitment to standard catalytic converter or aftermarket decat/sports cat

GFB Respons TMS Adjustable BOV For Subaru Impreza New Age 02-07 & Hatch 08 STI Model_Mx5NB Increasing the bore of 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