This is canister style intake system, the same found our our race cars in the desert. It is a full replacement for the factory intake system. 80% increased air flow as compared to single inlet filter systems. Inlet Ports give 80% Flow Efficiency, no oily foam outer required Velocity fins remove up to 85% of the incoming dust before it reaches the filter. No oil required on the filter element, which can cause damage to engine sensors. Filter element removes up to 99.99% of the remaining dust in the air before going into your expensive engine & components. Filter element is easily removed from either end. Filter end caps are machined from a single piece of high strength 6061-T6 billet aluminum. Not spun aluminum! Modular design, parts can be changed to increase or decrease the filter size. No drilling required to mount filter. Mounting clamps included.