aFe MagnumFLOW Air Filters IAF P5R A/F P5R 5F x 6-1/2B x 5-1/2T (Inv) x 9H (IM) Denso Pairs seamlessly with the Eventuri

Pairs seamlessly with the Eventuri Carbon Intake System (sold separately) for a complete engine bay transformation

92% / Max TQ +29

Often times

Each option increases the launch RPMs

Subaru WRX STI (2008-2014)

aFe MagnumFLOW Air Filters IAF P5R A/F P5R 5F x 6-1/2B x 5-1/2T (Inv) x 9H (IM) Denso Pairs seamlessly with the EventuriConstructed 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.