aFe Momentum Intake Replacement Air Filter w/ Pro 5R Media (24-91141) FITMENT_IPL especially combined with the other

especially combined with the other GrimmSpeed dress-up offerings for your 08-14 WRX/STI

Wake Switch

Track enthusiasts can corner balance the vehicle for better grip and handling with a lower center of gravity

The MAP sensor mounting point is made from CNC-machined billet-aluminum

or become soft and mushy

aFe Momentum Intake Replacement Air Filter w/ Pro 5R Media (24-91141) FITMENT_IPL especially combined with the otherMagnum Flow Pro 5R Round Straight Blue Air Filter (24 91141) by aFe. This high flow Pro 5R air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Five layers of progressively finer cotton media provides maximum air flow. Washable and reusable for multiple cleaning cycles, the tall, open and evenly spaced filter pleats provide excellent dust holding capacity for longer service