aFe 10-10012 Magnum FLOW Pro 5R Air FilteraFe 10 10012 Magnum FLOW Pro 5R Air Filter Constructed with 100% polyurethane on all sides, this high flow, oiled OE replacement performance filter will outflow the stock filter by up to 37% for improved horsepower and torque. The PRO 5R performance air filter uses five layers of progressively finer mesh cotton gauze media to provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall, open,