Turbo XS Hybrid Blow Off Valve (2002-2007 Subaru WRX / 2004 STI)

Turbo XS Hybrid Blow Off Valve (2002-2007 Subaru WRX / 2004 STI)

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.