GFB 02-07 WRX / 04-10 STI TMS Respons Blow Off Valve Kit Sportswear Supercharger systems sold without tuners

Supercharger systems sold without tuners are only emissions legal when used with the correct Edelbrock program

7L V6 EcoBoost 4WD

the more quantity

Adds up to 3

GFB 02-07 WRX / 04-10 STI TMS Respons Blow Off Valve Kit Sportswear Supercharger systems sold without tunersIf 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 GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost