Not sure which 2001 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:
"Picked up mileage..Great!!" —Mike G from Elizabethton, TN bought a K&N Air Filters for a 2001 Ford Focus.
"ALL I CAN SAY I PUT ONE IN MY 1978 R 100 T BMW A ITS GREAT AND I GOT ONE IN MY 2001 FORD FOCUS I THINK I GET 2 MILE A GAL MORE FOR GAS MILEAGE ARDELL" —Ardell H from Nelson, WI bought a K&N Air Filters for a 2001 Ford Focus.
"Excellent filter love it on my Honda odyssey and Ford focus." —Thomas F from Brockton, MA bought a K&N Air Filters for a 2001 Ford Focus.
"Since installation of the K&N Filter I get about 2 additional miles per gallon on road trips. The engine also seems to be more responsive in acceleration." —Bill J from Charlottesville, VA bought a K&N Air Filters for a 2001 Ford Focus.