aFe MagnumFLOW Air Filters OER P5R A/F P5R BMW 5/6/7-Ser 77-89 L6M3 88-91 L4-2.3L Suspension>Air Compressors When tuning an engine using

When tuning an engine using wideband AFR feedback control on an inertia dyno

one straight 36 inch long

heat-treating process for unparalleled performance

replaceable element

engine breather tube and sound tube

aFe MagnumFLOW Air Filters OER P5R A/F P5R BMW 5/6/7-Ser 77-89 L6M3 88-91 L4-2.3L Suspension>Air Compressors When tuning an engine usingConstructed with 100 percent polyurethane boxed frame, this high flow, oiled OE replacement performance filter will outflow the stock filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between