General description This Three-Way Catalytic Converter is designed to enhance vehicle performance while ensuring effective emission control. It converts toxic gases and contaminants into harmless gases, helping to purify car exhaust and improve the circulation of exhaust gases, which can save power and torque. Technical specifications Product Name: Catalytic Converter Body Material: 409 Stainless Steel Substrate: Ceramic Number of cells: 400 cells Inlet/Outlet Diameter: 2.25 inches (5.7 cm) Body Size: 4 inches (10.16 cm) round Overall Length: 11 inches (27.94 cm) Engine Limit: 2.5 L O2 Sensor Port: No Other information This item is not certified for sale in California, New York, Maine, and Colorado due to stricter emissions standards. Professional installation is highly recommended. Package includes: 1 x 2.25" universal catalytic converter. Please allow a 0.5-1 inch difference due to manual measurement. The color of the actual items may vary slightly from the listing images due to