Not sure which 2011 Subaru Impreza Air Filters are right for you? We have over 14810 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:
"Looks much nicer than the paper stuff. Not sure how much it helped my mpg and cost to "recharge" might offset it's value but I've always installed K&N filters on my cars." —Takeru O from Fort Dix, NJ bought a K&N Air Filters for a 2011 Subaru Impreza, STi.