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The MagnaFlow 447191 is a direct-fit, California-grade 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 CARB-restricted states, and it bolts on without cutting or welding. It interchanges with OE parts 52101093AB, 52101200AA and 52101200AB. Against universal-fit converters, it costs more but saves fabrication time and carries the emissions approval many states require.
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Lowest price we've seen: $1,012.00 on Nov 14 at 4 Wheel Parts. Tracked across 1 store since Nov 14.
Owners of the 4.7L Grand Cherokee report the unit bolts up to the factory flanges and clears the check engine light once installed. Most praise the fit and stainless construction; a few note the hardware and gaskets are not included.
This MagnaFlow California Grade direct-fit catalytic converter (447191) is a replacement part for the 1999-2001 Jeep Grand Cherokee with the 4.7L engine. It is designed to meet or exceed California Air Resources Board requirements. It has undergone additional testing to comply with CARB guidelines, allowing legal use in California and CARB-restricted states on the listed vehicles.
The converter is built from 16 gauge 409 stainless steel tubing with durable 308 stainless steel MIG welds. The tubing is mandrel bent to keep the original design and geometry for smooth exhaust flow. A single laser fusion weld replicates the OE design and reduces the possibility of a leak. The compact, low-mass design allows for greater thermal efficiency.
OE-sized barbed exhaust hangers are made from corrosion-resistant 410 stainless steel and are designed to reduce noise and vibration. It installs with the proper tools and requires no cutting or welding. Gaskets and essential hardware are included. Professional installation is recommended to ensure proper sealing, sensor transfer and emissions-system performance.
