Vehicle Fitment : PHILTOP Catalytic Convertor Compatible with 2007-2009 Santa Fe 3.3L, 2008 Sonata 3.3L,Standard OEM Specification : Catalytic Converter OEM Part Number # 16604,289503C710,642057,52867,4926,0991348,Stainless Steel Outshell : The stainless steel body of high-quality aluminized pipes is not easy to rust, ensuring excellent oxygen storage capacity and long service life. The double-layer high temperature resistant ceramic carrier greatly increases the flow rate and surface area, thereby improving power and fuel economy.,Direct installation : The kit comes with necessary gaskets and hardware for replacement., so as to help you with hassle-free installation, no need to modify any part.,ATTENTION : The products have been certified by EPA. EPA compliant catalytic converters cannot be sold or installed in California and Colorado and, under certain circumstances, in Maine and New York. Check your vehicle's Emission Control Information Label and your state's aftermarket converter regulations to select the proper catalytic converter.