Advanced Materials The main function is to convert toxic and pollutant gases into harmless gases and purify the exhaust of the car. Coated with precious metals such as palladium, platinum and rhodium, it can improve the fluidity of catalytic converters and facilitate the complete conversion of toxic gases. Universal Catalytic Converter – 2″ – Sinergy Motorsports Check professional test results before deciding whether to buy., Specifications: 2., 25 inlet, 2., 25 outlet, 13 overall length, with insulating plate and O2 port. ===== Package includes: 2 x Catalytic Converters ===== Note ========== We suggest you decide whether you want to buy after consulting the test results of professional staff. Weld-on Catalytic Converter With O2 Port 2.25 Inlet/Outlet Inlet/Outlet Universal Catalytic Converter, with O... – Grandado By using it, it can help improve exhaust speed, save horsepower and torque. And fully tested under extreme conditions, with a long service life. Note: This project is EPA compliant and non-CARB compliant. High Flow Catalytic Converter Replacement Flat Copatible Catalytic Converter Welded Extension Pipe Oval Universal Catalytic Converter With Heat Shield - Universal Catalytic Converter, Universal 2.25' Inlet/Outlet Universal 2.25 Inch Catalytic Converter With O2 Port This product does not ship to California, Colorado, New York and Maine.