MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51878 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 to fit the 2002-2006 Cadillac Escalade, 2001-2006 GMC Yukon, and additional vehicles. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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.
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
2002-2006	Cadillac	Escalade	Base
2003-2006	Cadillac	Escalade ESV	Base
2002-2006	Cadillac	Escalade EXT	Base
2004-2005	Chevrolet	Silverado 1500	LS
2004-2006	Chevrolet	Silverado 1500	LT
2003-2006	Chevrolet	Silverado 1500	SS
2005	Chevrolet	Silverado 1500	Z71 Off-Road
2007	Chevrolet	Silverado 1500 Classic	LT
2007	Chevrolet	Silverado 1500 Classic	SS
2006	Chevrolet	Suburban 1500	LTZ
2004	GMC	Sierra 1500	Base
2001	GMC	Sierra 1500	C3
2002-2006	GMC	Sierra 1500	Denali
2004-2007	GMC	Sierra 1500	SLE
2004-2007	GMC	Sierra 1500	SLT
2004	GMC	Sierra 1500	WT
2007	GMC	Sierra 1500 Classic	Denali
2007	GMC	Sierra 1500 Classic	SLE
2007	GMC	Sierra 1500 Classic	SLT
2001-2006	GMC	Yukon	Denali
2001-2006	GMC	Yukon XL 1500	Denali