Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49879. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2011-2019 Dodge Durango 5.7L & 2011-2019 Jeep Grand Cherokee 5.7L. MagnaFlow 49879 interchanges with OE parts 6816 9827AA, 6816 9827AB, 6816 9827AC, 6816 9827AD, 6816 9828AA, 6816 9828AB, 6816 9828AC, 6841 4797AA, 6841 4798AA. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.