Not sure which 2003 Subaru Impreza Air Filters - Custom Fit is right for you? We have over 14143 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:
"Great air filter that makes the engine sound alive. Slight increase in gas milage....but who can beat the convenience of never having to buy another filter." —Philip M from Plymouth, NH bought a K&N Air Filters for a 2003 Subaru Impreza.