Aluminum Recirculate Diverter Valve Turbo BOV Boost Fit For Volkswagen Golf Jetta 2000 2001 2002 2003 2004 2005 Fit For Audi 1.8T 2.7T 1998 1999 2000 2001 2002 2003 2004 2005 2006 PQY-BOV04. Designed to replace the OEM plastic diverter valve for a significant increase in performance. Strengthen pressure release valve torque, effectively protected.Protect the use life of the turbine. Designed as a direct replacement for OEM diverter valves, it integrates seamlessly with factory ECU control logic. No aftermarket tuning is required for standard or mildly modified turbo setups. Precision-machined internals and sealed actuation mechanisms ensure consistent operation over extended use, minimizing the risk of pressure leaks or mechanical failure under demanding conditions., Manufacturer: TLVBFPG