BLOW OFF VALVES

GO FAST BITS / HYBRID BOV / RESPONS TMS BLOW OFF VALVE KIT (T9003) *** SUBARU WRX STI (2008-2014)

The Go Fast Bit BOV is a hybrid BOV that allows the system to be fully atmospheric or fully recirculated depending on what you're trying to achieve. If you want your BOV to make noise, this unit can be fine-tune to give you that atmospheric BOV sound...

TURBO-XS / HYBRID BOV / BLOW OFF VALVE KIT (WS02-XS-HYB) *** SUBARU WRX STI (2008-2014)

Not too loud and not too quiet, the WS02-XS-HYB from TurboXS is the valve for you if you want an upgraded Blow Off Valve that you can hear when you want to, but not when you don't. Built using our new "XS" BOV platform, this valve is designed to vent...