aFe Power 51-74209 Performance Intake System (Dry, 3-Layer Filter) Outflows the factory intake by up to 19% 3-Layer non-oiled, washable synthetic media for the perfect balance of performance, protection and convenience High quality one-piece sealed housing with carbon fiber accent and auxiliary air inlet Unique (Patent Pending) filter-to-housing interface for easy installation This product is not CARB exempt at this time and is not legal for sale in California or use on vehicles registered with the California Department of Motor Vehicles