Keep your motor’s lungs fed with clean, energy-rich oxygen from the “the world’s best air filter”—K&N Air Filters. Constructed from pleated sheets of oiled cotton gauze, these air filters strip away grime without blocking airflow. Fully reusable. Million Mile Limited Warranty.
Get maximum filtration with the Airaid SynthaMax Air Filter. Featuring 5 layers of non-oiled, 100% synthetic fiber, this reusable air filter directly replaces your factory paper filter with no modifications. Washable in household detergent and reusable for life. Lifetime Warranty.
Drop in optimal engine filtration and performance with the Airaid SynthaFlow Air Filter. Replacing flimsy factory paper filters, this high-performance filter combines multiple oiled cotton gauze and synthetic fiber layers to deliver ultimate airflow and protection. Lifetime Warranty.
When you equip your engine bay with an aFe Air Filter, you’ll never need another performance air filter in your ride’s life. aFe expertly crafts your automotive air filter from high-quality cotton gauze to trap grime without blocking airflow. Cleanable and reusable. Lifetime Warranty.
Not sure which 2006 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:
"You can't go wrong with a K&N replacement for your stock air filter. It was worth and extra mile per gallon and a couple free horsepower on my 06 Subaru. Plus I never have to buy another filter!" —Mike S from New Richmond, OH bought a K&N Air Filters for a 2006 Subaru Impreza.
"Filter was easy to install, better quality than other air filters. Buy one and forget about an air filter replacement for another 30000 miles.
great product." —Ghassan C from Oceanside, CA bought a K&N Air Filters for a 2006 Subaru Impreza, 2.5L 4-cyl. engine.
"K&N is a well known product that is backed by a 1 million mile warranty. I needed a replacement filter for my car and K&N was the first choice because of past experience and the ability for the end user to wash and re-use." —Alex R from Euclid, OH bought a K&N Air Filters for a 2006 Subaru Impreza.