Turbosmart Kompact series Blow Off Valve (Recirculating) Fits: 2008-2014 Subaru WRX 2008-2012 Forester XT 2003-2008 Legacy GT This is a very nice, and affordable, replacement for the stock BOV. It cures the typical BOV leak. Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts not wanting to be noticed but wanting the performance and reliability benefits of a quality BOV. Supplied With: Gasket, and Green Spring Rated -15 InHg (installed).