GFB Blow Off Valve - DV+ T9301 Black Fits:AUDI 1997 - 2000 A4 1.8 T Valve must Weight: 2 Fitment: AUDI 1997 - 2000 A4 1.8 T Valve must be insted OPPOSITE of the OEM Bosch Valve; Air Enters Valve at Bottom and Exits through Side 2001 - 2005 A4 1.8 T Valve must be insted OPPOSITE of the OEM Bosch Valve; Air Enters Valve at Bottom and Exits through Side 1997 - 2000 A4 QUATTRO 1.8 T Valve must be insted OPPOSITE of the OEM Bosch Valve; Air Enters Valve at Bottom and Exits through Side 2001 - 2005 A4 QUATTRO 1.8 T Valve must be insted OPPOSITE of the OEM Bosch Valve; Air Enters Valve at Bottom and Exits through Side 2000 - 2006 TT Valve must be insted OPPOSITE of the OEM Bosch Valve; Air Enters Valve at Bottom and Exits through Side CHRYSLER 1987 - 1988 CONQUEST No OEM Valve; Custom Inst Required MAZDA 1986 - 1987 626 T OEM Valve Non-Replaceable; Custom Inst Required 1988 - 1992 626 T OEM Valve Non-Replaceable; Custom Inst Required 1...