A full atmospheric BOV for racers and serious enthusiasts who want to be noticed. Supersonic provides a superior flow performance with the famous "supersonic" sound. Featuring a tool-free adjustment via a rotating cap and a positive-seal piston this is Turbosmart loudest BOV.

SUPPLIED WITH:

• Yellow Spring Rated -22 to -20 InHg (installed)
• Gasket
• Hose blanking plug

FITS:

• Mazda CX7 2.3L Turbo 2006-2012
• Mazda Mazdaspeed (MPS) 3 (BK series) 2007-2009
• Mazda Mazdaspeed (MPS) 3 (BL series) 2010-2013
• Mazda Mazdaspeed (MPS) 6 2005-2007
• Subaru Forester XT (EJ25) 2008-2012
• Subaru Liberty/Legacy GT 2003-2008
• Subaru WRX 2008
• Subaru WRX 2009-2014