The product is a direct fit catalytic converter for 1998-2002 Toyota Corolla and Chevy Prizm 1.8L vehicles. It comes with mounting hardware included and has a 1-year manufacturer warranty. The converter features a round stainless steel body with a ceramic substrate, designed for easy replacement with a bolt-on connection. It is made in the United States and meets OBD3 standard requirements. With a single inlet and outlet type, this catalytic converter is a reliable option for those looking to upgrade or replace their current emission control system. AP 336343