aFe Magnum FLOW Pro DRY S Universal Replacement Air Filter F-4in. / B-6in. / T-4.5in. (Inv) / H-6in. - 21-91020 fits_2017-`BMW`5 Series Each filter comes pre-oiled and

Each filter comes pre-oiled and ready for use

a trusted leader in memory innovation

Mandrel Bent Aluminum Intake Tubing

and built for daily abuse

0 inches from inlet to outlet and features a large X-pipe crossover for superior scavenging and response

aFe Magnum FLOW Pro DRY S Universal Replacement Air Filter F-4in. / B-6in. / T-4.5in. (Inv) / H-6in. - 21-91020 fits_2017-`BMW`5 Series Each filter comes pre-oiled andWith three layers of progressively finer mesh synthetic media between 100% polyurethane top and base, this high flow, "oil free" conical performance filter provides maximum convenience and easy maintenance with excellent airflow. Washable and reusable for multiple cleanings, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Pliable polyurethane flange with integrated bumps insures