06-Up GM Duramax 6.6L

aFe's high performance, high flow OE air filter replaces the restrictive factory paper filters and lets your engine breathe better. Paper filters do a good job in keeping dirt out but can clogged easily so that they need to be replaced frequently. A cotton gauze filter allows more airflow and is washable and reusable.

Improved airflow, filtration, and dust-holding capacity Washable/reusable cotton gauze media The last filter you will buy for your vehicle