ISO 9001: 2000 and TS 16949: 2002 Certified! Catalytic converter can purify the wasted gas from vehicles, ships and engines effectively. Rated: 5.9L/6.000Ibs. Part No.: Inlet/ Outlet IDWcat007-200 2.5"/ 2"Wcat007-225 2.5"/ 2.25" Catalytic Converter (WCAT007)