Not sure which 2001 Nissan Altima 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:
"price is a little high compare to other best filters. appearance had a little defect at the rubber, but it is okay so far.
Increasing horse power a little bit." —Tien L from Marietta, GA bought a K&N Air Filters for a 2001 Nissan Altima, 2.4L 4-cyl. engine.