Euro Sport Aluminum Diverter Valve - VW Mk4/Audi 1.8T/2.7T Cam Gears The stock diverter valve uses

The stock diverter valve uses a rubber diaphragm to open and close this pathway

Euro Sport heat shield

VW Mk5  GTI  2006-2008

Weighs approximately 12 lbs

Fitment: VW Mk2 Corrado VR6 1992-1994 VW Mk3 Golf/Jetta VR6 1994-1998 VW Mk4 Golf/Jetta VR6-12V 1999-2005  (5-Speed only)

Euro Sport Aluminum Diverter Valve - VW Mk4/Audi 1.8T/2.7T Cam Gears The stock diverter valve usesWondering where your boost went? Power delivery not as smooth as it used to be? Most likely your engine's diverter valve is to blame. What is a diverter valve? A diverter valve (DV) is a pathway for boost when it is not being used by your engine. Whenever the throttle body is closed, like during shifts or decelleration, the boost needs an escape route. If the boost cannot escape during these times, it can back up and cause shocks to the turbo. These