AEM DRYFLOW drop-in replacement air filters are oil-free and are easy to install into your factory air box. Designed with precision, their cutting-edge filtration technology utilizes a thick 3D filtration media to help increase airflow, and offers top-quality engine protection. Go up to 50,000 miles before cleaning (under normal highway driving conditions). Their drop-in intake filters are easy to wash and reuse! If you have any questions about AEM Drop-In Intake filters for your vehicle , reach out to one of our experienced representatives.