MagnaFlow OEM Grade FederalEPA Compliant Direct - Fit Catalytic Converter 49621 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel - bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state - of - the - art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. Designed to fit the 2001 - 2003 Ford F - 150 and 2004 Ford F - 150 Heritage, this direct - fit catalytic converter also interchanges with OE part 3L3Z - 5E212 - EA. 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 FederalEPA Emission systems.

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