TurboXS Hybrid 50/50 Blow off Valve WRX (2002-2007) STI (2004-2018) Speedwell Wheels select "Quantity: 2"

select "Quantity: 2"

Will not work with a stock airbox

F31 BMW 328i xDrive 328d xDrive Wagon 2013+

AEM'S Short Ram Intake for the Subaru WRX/STI features a CNC mandrel-bent 6061 aluminum intake tube

TurboXS Hybrid 50/50 Blow off Valve WRX (2002-2007) STI (2004-2018) Speedwell Wheels select "Quantity: 2"The TurboXS Hybrid 50 50 blow off valve for the Subaru WRX STI is designed for those that want that great blow off sound without out the potential issues of going with a fully venting unit. Each time the throttle plate closes this valve will recirculate half of the boost while treating you and anyone within earshot to that trademark turbo sound. Included with the kit are a gasket, washers to increase spring tension, and necessary hoses for easy