This K&N air filter is perfect for car enthusiasts who want to enhance their vehicle's performance. Whether you're cruising on the highway or racing on the track, it ensures better airflow. It fits various 2007 - 2015 Mitsubishi Lancer and Outlander models. The filter uses a layered, oiled cotton media, but we won't bore you with too many technical details. Just know it's designed to last the whole life of your car and give you a power boost.