aFe MagnumFLOW Air Filters OER P5R A/F P5R 9 OD x 7 ID x 2.12 H Blow off valve adapter Perrin 15-17 Subaru WRX Red

Perrin 15-17 Subaru WRX Red Cold Air Intake

and doesn’t cause  compressor surge/turbo flutter

These plates allow for you to dial in up to three degrees of negative camber for perfect wheel fitment or optimized handling

but are designed for use together

aFe MagnumFLOW Air Filters OER P5R A/F P5R 9 OD x 7 ID x 2.12 H Blow off valve adapter Perrin 15-17 Subaru WRX RedConstructed with 100 percent polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow stock paper 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