aFe Power TM-1023B-D Takeda Honda S2000 Performance Intake System Outflows the factory intake by up to 35%; Produces an additional 8 horsepower and 6 pounds X ft. Torque max gains 3-Layer non-oiled, washable synthetic media for the perfect balance of performance, protection and convenience One-Piece roto-molded sealed housing with auxiliary air scoop and sight window 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