
Magnaflow Front Direct-Fit Catalytic Converter: Jeep Grand Cherokee 4.7L V8 1999 - 2001
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The MagnaFlow 447191 is a front, direct-fit catalytic converter for the 1999–2001 Jeep Grand Cherokee with the 4.7L V8. It is CARB compliant, so it is legal in California and other states that follow CARB rules, which many universal converters are not. It bolts on with gaskets and hardware included, and its 409 stainless body and mandrel-bent tubing are built to match the factory layout. It suits owners replacing a failed or rusted front converter who want a stock-like fit and legal emissions without custom fabrication.
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Owners of the 4.7L Grand Cherokee generally report a clean bolt-on fit and a check engine light that stays off after installation. Complaints center on price and on converters failing again when an underlying engine problem is not fixed first.
The MagnaFlow 447191 is a direct-fit front catalytic converter for the 1999 to 2001 Jeep Grand Cherokee Laredo and Limited with the 4.7L V8 engine. It is California Grade and CARB compliant, so it can be used in California and other CARB-restricted states. It interchanges with OEM part numbers 5210 1093AB and 5210 1200AA.
The tubing is 16 gauge 409 stainless steel. The spun body replicates the original design and has a single laser fusion weld to minimize leak potential. Mandrel-bent tubing keeps OEM-like geometry for smooth exhaust flow. The compact, low-mass construction heats up quickly. The exhaust hangers are OE-sized barbed hangers made of 410 stainless steel, and the MIG welds are 308 stainless steel.
Installation needs no cutting or welding, and standard hand tools are enough. Gaskets and hardware are included to replace the corroded factory parts.













