Turbosmart Blue Plumb Back Blow Off Valve Subaru WRX 2002-2007 / STI 2004-2017 / Forester XT 2004-2008
The Plumb Back is a high performance fully recirculating BOV, all released pressure is vented back into the intake system. Ideal for cars with sensitive AF meter systems and off-road applications as the fully-sealed design of the Plumb Back prevents any foreign matter from entering the system. This plumb back comes with a Subaru flange making installation easy.
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