The Dorman 674-053 Manifold Converter is a one-piece catalytic converter that fits Chrysler models. It has a stainless steel body with a ceramic substrate material. Someone wrote core on box but there is no core on this. The converter has two inlet and one outlet flanged ports with oval outlet mounting holes. It comes with inlet and outlet mounting hardware and a gasket or seal. The overall length is 15.5 inches with a body length of 7 inches and a tube wall thickness of 0.71 inches. The converter has two sensor ports and is not CARB compliant. It comes with a limited lifetime manufacturer warranty.