aFe MagnumFLOW Air Filters IAF P5R A/F P5R 4(3.85)F x 8B x 7T x 6.70H BMW_F80 It features a compact 39mm

It features a compact 39mm diameter that fits most applications and an offset inlet design that eases installation

Non-Brembo WRX STI uses a different pad - contact us

Note: New Design

Pro 5R filters are easily recharged with aFe POWER CLEANER and blue air filter oil

Lower your ride height by up to 70 mm: flexibly and individually - with threads to spare and a technical certification

aFe MagnumFLOW Air Filters IAF P5R A/F P5R 4(3.85)F x 8B x 7T x 6.70H BMW_F80 It features a compact 39mmConstructed with 100 percent polyurethane on top and bottom, this high flow, oiled performance filter is our highest flowing media 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 cleanings.