K&N Air Filter, Audi A4, VW Passat, 1996-2005

Brand: K&N Engineering

K&N reusable Filtercharger Air Filters are designed to increase horsepower and acceleration while providing excellent filtration. No modification is required to the stock airbox. Flat panel filter measures 251mm x 210mm (9 7/8 x 8 1/4 inches). Fits most 1994-2005 Audi A4 and Audi A6 / VW Passat from 1997-2005.