Not sure which 2009 Ford Focus Air Filters - Custom Fit is right for you? We have over 12082 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:
"According to K&N they do not make a filter for a 2009 Ford Focus. When you look a Fram etc they use the same filter for 2008 and 2009, so you can use a 2008 K&N Filter for your 2009 Ford Focus. The gasket fit tight but it went on ok and works with no problems." —Douglas M from Tonto Basin, AZ bought a K&N Air Filters for a 2009 Ford Focus.
"they worth the money and the time spend for cleaning.visible improvement in acceleration and slightly gain in mileage.i ll buy again if the shipping it s free" —Cristian P from Austin, TX bought a K&N Air Filters for a 2009 Ford Focus.
"I always replace my factory air filters with k&n" —Justin H from Mabelvale, AR bought a K&N Air Filters for a 2009 Ford Focus.
"went from 26 mpg average to a little over 30 mpg's! Great value!" —Bobby C from Ramseur, NC bought a K&N Air Filters for a 2009 Ford Focus.