The K&N Drop-In Air Filter for Cadillac (2002–2009) and Chevy/GMC pickup (1999–2009) applications is a washable, reusable high-flow replacement using layered, oiled cotton media to improve airflow and trap contaminants. It’s a direct-fit drop-in meant to install into the factory air box, engineered for long-term service and covered by K&N’s No-Hassle Lifetime limited warranty.
K&N 02-09 Cadillac / 99-09 Chevy/GMC PickUp Drop In Air Filter