Fits: 2003–2006 Ford Expedition 2005–2006 Lincoln Navigator Magnaflow93125Catalytic Converter Direct FitMagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93125 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. This direct-fit catalytic converter is designed specifically for the 2005-2006 Ford Expedition. Hardware is included to eliminate the hassle of working with corroded factory parts. 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 Federal/EPA Emission systems.MagnaFlow Tru-X pipe transitions are great for single/dual, dual/dual, and balanced tube applications. These stainless steel crossover pipes represent a significant leap forward in technology over traditional H-pipes. Their gentler radius allows for better exhaust gas scavenging, noise cancellation, and balance between cylinder banks. The results are a significant increase in power and torque but a reduction in dB sound levels--the best of both worlds.