Not sure which 2009 Ford Focus Air Filters are right for you? We have over 12273 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:
"Fuel economy was dropping in the Ford Focus; dropped in the K&N and gained 4/10th of a mile per gallon increase, immediately." —Richard P from Crawfordville, FL bought a K&N Air Filters for a 2009 Ford Focus.