aFe Power 51-82322 GM Diesel Truck Performance Intake System (Dry, 3-Layer Filter) Outflows the factory intake by up to 44%; Produces an additional 9 horsepower and 17 pounds X ft. Torque max gains 3-Layer non-oiled, washable synthetic media for the perfect balance of performance, protection and convenience One-Piece sealed housing featuring carbon fiber look accent with auxiliary air scoop Unique (patent pending) housing-to-filter interface