K&N 01-09 Audi A4/RS4/S4 Drop In Air Filter

  • Sale
  • $56.99
  • Regular price $87.99


K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N. See applicable instruction sheet for details. Our stock replacement air filters for street vehicles are covered by our famous K&N Million-Mile Limited Warranty and will be the last air filter your vehicle will ever need.

This Part Fits:

Year Make Model Submodel
2002-2008 Audi A4 Base
2003-2009 Audi A4 Cabriolet
2002-2008 Audi A4 Quattro Avant
2002-2008 Audi A4 Quattro Base
2004-2009 Audi A4 Quattro Cabriolet
2007-2008 Audi RS4 Base
2008 Audi RS4 Cabriolet
2004-2008 Audi S4 Avant
2004-2008 Audi S4 Base
2004-2009 Audi S4 Cabriolet