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The MagnaFlow 49446 is a direct-fit, OEM-grade catalytic converter for the 2009-2017 Chevrolet Traverse, 2007-2016 GMC Acadia and related GM Lambda-platform vehicles. It uses a stainless steel spun body with mandrel-bent tubing and a single laser fusion weld, and it bolts on with the included gaskets and hardware, so no cutting or welding is needed. It is EPA Federal compliant, not California CARB legal, so check your state's rules before buying. Against universal-fit converters it offers easier installation and a closer match to the factory part; against the original dealer unit it is a lower-cost replacement that meets the same federal emissions standard.
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Lowest price we've seen: $566.00 on Nov 13 at Autoplicity. Tracked across 12 stores since Nov 13.
With only a dozen ratings averaging 4.2, feedback is thin but mostly positive. Buyers who had a smooth install praise the fit and the included hardware; a few report fitment trouble or a check engine light that returned.
The MagnaFlow OEM Grade 49446 is a direct-fit catalytic converter built to meet or exceed Federal emissions requirements set by the EPA. It complies with legal standards for OBDII Federally registered vehicles with California or Federal/EPA emission systems. It is designed to fit the 2009-2017 Chevrolet Traverse, the 2007-2016 GMC Acadia, and additional vehicles.
It has a spun body made of stainless steel, which resists corrosion. The design replicates the OE spun body, and a single laser fusion weld reduces the possibility of a leak. Mandrel-bent tubing is free-flowing, and the compact, low-mass design allows for greater thermal efficiency. 3D scanning was used during development so the part fits and functions like the original equipment.
It installs with the proper tools and requires no cutting or welding. Gaskets and hardware are included, so corroded factory parts do not need to be reused.
