Specification: · Type: Universal Car Catalytic Converter 2.5'' · Inlet Diameter: 2.5 inch · Outlet Diameter: 2.5 inch · Overall Length: 11 inch · Cell Count: 400 Cell · Number of Pieces: 2PCS · Restricted States: California, New York,Colorado, and Maine · Material: Stainless Steel Features: High corrosion and wear resistance. Great emissions control, high efficient and work efficiently. Improve performance, reduce back pressure and help engine get more horsepower. No Sensor, No Air Tube, Reversible. Excellent flow characteristics. Standard 2.5'' inside diameter inlet/outlet, 11'' overall length, universal for vehicles with 2.5 inches outer diameter exhaust pipe. Package Included: Pair of 2.5'' universal Catalytic Converter Notice: Not legal for sale in California, New York,Colorado, and Maine! If your vehicle is registered in California, New York, Colorado, and Maine do not purchase this part.