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The MagnaFlow 459000 is a direct-fit, CARB-compliant catalytic converter for the 2000 Jeep Grand Cherokee with the 4.7L V8. It bolts on in place of the factory unit with no cutting or welding, and its 16-gauge 409 stainless tubing and 308 stainless welds are built to resist corrosion. The CARB approval is the key difference from cheaper 49-state converters: it is legal in California and other CARB states, where a non-compliant unit will fail inspection. It suits owners in regulated states who need a smog-legal replacement and want an OE-style fit rather than a universal weld-in part.
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Lowest price we've seen: $872.00 on Nov 13 at BB Wheels. Tracked across 12 stores since Nov 13.
This is the MagnaFlow California Grade CARB-compliant direct-fit catalytic converter, part number 459000. It is designed to fit the 2000 Jeep Grand Cherokee 4.7L. It is a replacement part made to meet or exceed California Air Resources Board requirements. It has had additional testing to comply with CARB guidelines, for legal use in California and CARB-restricted states on the listed vehicle.
The converter is built from 16 gauge 409 stainless steel tubing, which resists corrosion. The tubing is mandrel bent to keep the original design and geometry and to give smooth exhaust flow. A single laser fusion weld replicates the OE design and reduces the chance of a leak. The compact, low-mass design allows for greater thermal efficiency. The OE-sized barbed exhaust hangers are made of 410 stainless steel and are designed to reduce noise and vibration.
It installs with the proper tools and needs no cutting or welding. Gaskets and hardware are included in the box, along with one O2 port plug. Confirm the vehicle's year, make, model, engine size, emissions standard and location before ordering. Professional installation is recommended to ensure proper sealing, sensor transfer and emissions-system performance.
