TurboXS Racing Hybrid 50/50 BOV Kit WRX 2002-2007 / STI 2004-2021 Vehicle Model_WRX STI The AEM 21-678C Performance Cold

The AEM 21-678C Performance Cold Air Intake System produces horsepower and torque gains by replacing your vehicle's restrictive factory air filter and air intake housing

94-01 : Acura Integra

They specializes in manufacturing sport compact assemblies from street driven to full race applications

After months of work from our engineers

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TurboXS Racing Hybrid 50/50 BOV Kit WRX 2002-2007 / STI 2004-2021 Vehicle Model_WRX STI The AEM 21-678C Performance ColdPart #: 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