aFe Momentum Replacement Air Filter PDS 3-1/2F x 5B x 4-1/2T (Inv.) clearance making the proper mixture in

making the proper mixture in the combustion chamber critical for best performance

Any enthusiast running boost

Integrated urethane bump seal insures tight

Absolute zero is the pressure measurement when all the pressure exerted by the atmosphere has been removed

you still have the amenities like a 1/8 NPT gauge port and 1:1 ratio boost reference port for forced induction applications

aFe Momentum Replacement Air Filter PDS 3-1/2F x 5B x 4-1/2T (Inv.) clearance making the proper mixture inWith 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