TurboXS Racing Hybrid 50/50 BOV Kit WRX 2002-2007 / STI 2004-2021 SkylineR32_1989-1994 and rigidity

and rigidity

trouble-free service

2-bolt gasket

sound and performance that this exhaust offers is the proof

For peak performance you need to know how much boost you are making at maximum RPM's

TurboXS Racing Hybrid 50/50 BOV Kit WRX 2002-2007 / STI 2004-2021 SkylineR32_1989-1994 and rigidityPart #: WS HYB The new Hybrid Valve gives your WRX or STi the subtlety of a recirculating Bypass Valve, combined with the power and sound of a Blowoff Valve. We recommend upgrading the factory valve when running boost above stock levels. Built to last from solid aluminium and brass Computer machined so there is no boost leak Out flows factory valves for improved throttle response Direct replacement for 02 07 WRX & 04 20 STi factory bypass valve