GFB T9503 Deceptor Pro II Blow Off Valve Kit is designed for 2002-2007 Subaru WRX and 2004-2010 STI applications. It allows on-the-fly control of blow-off sound while supporting boost response...
GFB T9503 Deceptor Pro II Blow Off Valve Kit is designed for 2002-2007 Subaru WRX and 2004-2010 STI applications. It allows on-the-fly control of blow-off sound while supporting boost response and drivability.
GFB T9503 Deceptor Pro II Blow Off Valve Kit is designed for 2002-2007 Subaru WRX and 2004-2010 STI applications. It allows on-the-fly control of blow-off sound while supporting boost response and drivability.