Not sure which 2011 Acura TSX 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:
"Increase of mileage by 12%. I should have replaced my oem filter with the KandN filter on day one. Slight increase in horsepower as well. The drop in filter is a great way to stretch your gas money!" —Bill L from San Marcos, CA bought a K&N Air Filters for a 2011 Acura TSX, 2.4L 4-cyl. engine.