Not sure which 2009 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 seal. Wahable/reusable aspect a strong plus.
Have not seen any immediate performance improvement." —Adrian L from Miami, FL bought a K&N Air Filters for a 2009 Subaru Impreza.
"THIS IS MY FOURTH K&N FILTER, I USE THEM ON ALL MY CARS.
BEST FOR AIR FLOW AND FILTRATION." —Daniel M from Nazareth, PA bought a K&N Air Filters for a 2009 Subaru Impreza.