aFe Power Magnum FORCE 51-32332 GM Silverado/Sierra Performance Intake System (Dry, 3-Layer Filter) Outflows the factory intake by up to 30% . 3-Layer non-oiled, washable synthetic media for the perfect balance of performance, protection and convenience Durable 18-gauge heat shield that utilizes the lower half of the factory air box Black powder-coated aluminum tube replaces the stock intake tract