1996-1998 Audi Cabriolet with 2.8L V6 Engine. 1996-2000 Audi A4/A4 Quattro with 2.8L V6 Engine. 1996-2000 Audi A6/A6 Quattro with 2.8L V6 Engine. 1998-2005 VW Passat with 2.8L V6 Engine. The air intake kit can help your engine to draw more cold air resulting in better throttle response and higher explosive horsepower output.