GFB Blow Off Valve - Deceptor Pro II T9525 Black Fits:AUDI 1997 - 2000 A4 1.8 T Weight: 4 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 Sides 2001 - 2005 A4 1.8 T Valve must be insted OPPOSITE of the OEM Bosch Valve; Air Enters Valve at Bottom and Exits through Sides 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 Sides 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 Sides 2000 - 2006 TT Valve must be insted OPPOSITE of the OEM Bosch Valve; Air Enters Valve at Bottom and Exits through Sides NON-US VEHICLE 0 - 0 SEE NOTES FOR FITMENT For 1996-2003 Audi A3; Typ 8L, 1.8t; Valve must be insted OPPOSITE of the OEM Bosch Valve; Air Enters Valve at Bottom and Exits through Sides 0 - 0 SEE NOTES FOR FITME...