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 GFB’s proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it can hold more boost than any turbo could produce.
GFB’s Respons, allowing you to infinitely vary how much air is recirculated or vented to atmosphere. Simply by twisting the adjustment ring, you can change the sound of your BOV from silent to ear-shattering!?.
Subaru 2015-on WRX/ Forrester
Fitment:
Subaru Forester 2.0XT Premium 2014 to 2018
Subaru Forester 2.0XT Touring 2014 to 2018
Subaru WRX Base 2015 to 2020
Subaru WRX Limited 2015 to 2020
Subaru WRX Premium 2015 to 2020
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