aFe Momentum Replacement Air Filter PDS 3-1/2F x 5B x 4-1/2T (Inv.) Air Intake Systems>Cold Air Intakes 5oz (354grams)Outside Diameter: 39mm ODExternal

5oz (354grams)Outside Diameter: 39mm ODExternal Materials: Black plated steel with laser etchingInlet Fitting: 7

The lightweight

tuned and dyno-tested to fit specific Acura RSX models

lightweight flow-molded carbon fiber composite housing

444C Compressor

aFe Momentum Replacement Air Filter PDS 3-1/2F x 5B x 4-1/2T (Inv.) Air Intake Systems>Cold Air Intakes 5oz (354grams)Outside Diameter: 39mm ODExternalWith three layers of progressively finer mesh synthetic media between 100% polyurethane top and base, this high flow, "oil free" conical performance filter provides maximum convenience and easy maintenance with excellent airflow. Washable and reusable for multiple cleanings, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Pliable polyurethane flange with integrated bumps insures