MagnaFlow Conv Univ 3inch C/C 5inch spun body - 99659HM

MagnaFlow is a leading manufacturer of high-performance exhaust systems, catalytic converters, and mufflers, engineered to deliver superior power, sound, and durability. Proudly made in the USA, MagnaFlow combines cutting-edge technology with precision craftsmanship to create exhaust solutions that enhance vehicle performance while meeting strict emissions standards. Whether for street, off-road, or racing applications, MagnaFlow's products are designed to optimize airflow, increase horsepower, and produce a deep, aggressive exhaust note. With a legacy of quality and innovation spanning decades, MagnaFlow is the trusted choice for automotive enthusiasts who demand the best in performance and sound.

Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99659HM. The Universal design allows the part to fit a wide array of vehicles (cutting and welding required), and the stainless steel construction of this spun body catalytic converter is highly resistant to corrosion. The single laser fusion weld of the spun body greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.

Technical Bulletin


This Part Fits:

Year	Make	Model	Submodel
2006	Chevrolet	Avalanche 2500	LS
2006	Chevrolet	Avalanche 2500	LT
2001-2005	Chevrolet	Silverado 2500 HD	Base
2001-2006	Chevrolet	Silverado 2500 HD	LS
2001-2006	Chevrolet	Silverado 2500 HD	LT
2003-2006	Chevrolet	Silverado 2500 HD	WT
2007	Chevrolet	Silverado 2500 HD Classic	LS
2007	Chevrolet	Silverado 2500 HD Classic	LT
2007	Chevrolet	Silverado 2500 HD Classic	WT
2003	Chevrolet	Silverado 3500	Base
2003,2006	Chevrolet	Silverado 3500	LS
2003,2006	Chevrolet	Silverado 3500	LT
2006	Chevrolet	Silverado 3500	WT
2007	Chevrolet	Silverado 3500 Classic	LS
2007	Chevrolet	Silverado 3500 Classic	LT
2007	Chevrolet	Silverado 3500 Classic	WT
2000-2001	Chevrolet	Suburban 2500	Base
2000-2008	Chevrolet	Suburban 2500	LS
2000-2008	Chevrolet	Suburban 2500	LT
2007	Chevrolet	Suburban 2500	LTZ
2000-2001	Dodge	Ram 1500	Laramie
2000-2001	Dodge	Ram 1500	Sport
2000-2001	Dodge	Ram 1500	ST
2000-2001	Dodge	Ram 1500	WS
2000-2003	Dodge	Ram 1500 Van	Base
2000-2003	Dodge	Ram 2500 Van	Base
2000-2003	Dodge	Ram 3500 Van	Base
2002-2005	GMC	Sierra 2500 HD	Base
2001-2002,2006	GMC	Sierra 2500 HD	SL
2001-2006	GMC	Sierra 2500 HD	SLE
2001-2006	GMC	Sierra 2500 HD	SLT
2003-2006	GMC	Sierra 2500 HD	WT
2007	GMC	Sierra 2500 HD Classic	SL
2007	GMC	Sierra 2500 HD Classic	SLE
2007	GMC	Sierra 2500 HD Classic	SLT
2007	GMC	Sierra 2500 HD Classic	WT
2003	GMC	Sierra 3500	Base
2006	GMC	Sierra 3500	SL
2003,2006	GMC	Sierra 3500	SLE
2003,2006	GMC	Sierra 3500	SLT
2006	GMC	Sierra 3500	WT
2007	GMC	Sierra 3500 Classic	SL
2007	GMC	Sierra 3500 Classic	SLE
2007	GMC	Sierra 3500 Classic	SLT
2007	GMC	Sierra 3500 Classic	WT
2000-2008	GMC	Yukon XL 2500	SLE
2000-2008	GMC	Yukon XL 2500	SLT

Fitment Years: 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008.