Turbosmart Blue Supersonic Blow Off Valve Subaru WRX 2002-2007 / STI 2004-2021 / Forester XT 2006-2008 discontinued-with-inventory less gear noise and consistent

less gear noise and consistent viscosity

5L STi headgasket is multi-layered steel

Stainless Steel Layers

Universal design adapts to virtually any vehicle

To minimize exposure

Turbosmart Blue Supersonic Blow Off Valve Subaru WRX 2002-2007 / STI 2004-2021 / Forester XT 2006-2008 discontinued-with-inventory less gear noise and consistentPart #: TS 0205 1315 Turbosmarts loudest blow off valve, the Supersonic is sure to turn heads wherever you are. This valve is ideal for both street and race cars and produces the signature Supersonic sound. It is fully atmospheric and features a "tool free" adjustment setup by turning the cap of the valve. Included is an aluminum weld on flange and quick release v band clamp.