Turbosmart Black Supersonic Blow Off Valve Subaru WRX 2002-2007 / STI 2004-2017 / Forester XT 2004-2008
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.
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