Not sure which 2003 Audi A6 Air Filters are right for you? We have over 14810 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"Response and fuel economy improved. Installation was difficult, the entire intake needed to be removed; however this is an Audi issue not that of the filter" —Harry R from Cherry Hill, NJ bought a K&N Air Filters for a 2003 Audi A6.