blow off valve -Perfect for almost ANY turbo application. -CNC machined high quality anodized aluminum construction is lightweight and durable. -Colour of RED,BLUE,SILVER are choiceable. -Provides a loud blow-off sound when boost is released. -Advanced spring design allows for great response and performanceat high boost -Large valve for increased airflow We also have lots of other models,kindly please feel free to contact us for more details,thanks. we have the follow bov,pls check them: Part no. ItemPQY2001BOV-HPQY2002BOV-SFRLPQY2003BOV-WRXPQY2004BOV-50MMPQY2005BOV-BLITZPQY2006BOV-SQVPQY2007BOV-SSQVPQY2008BOV-SSQV(3)PQY2009BOV-SPQY2010BOV-RSPQY2011 Bypass-valve Other bovs