Shop Nilight 3inch Inlet/Outlet Catalytic Converter in high quality with 2 years warranty, such as 3 inches Universal Cat for Chevy Silverado 1500 2500 K1500 C1500 Express Suburban, GMC Sierra 1500 2500 Yukon Savana, Cadillac(EPA Standard). Designed for use on OBDII vehicles. Not legal for sale or use in California and Colorado. Legal in New York and Maine on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.