Find Jeep Grand Cherokee Catalytic Converter. See Jeep Grand Cherokee Catalytic Converter Prices. Get Jeep Grand Cherokee Catalytic Converter Exhaust Pipe. Maintaining your Jeep Grand Cherokee's catalytic converter is pivotal for peak performance, as signs like decreased acceleration and a sulfur-like smell may signal the need for replacement. To extend its life, ensure regular engine tune-ups and use high-quality fuel to prevent clogging. When selecting a new converter, opt for OEM-grade or better units, considering options like two-way, three-way, and three-way with oxidation catalytic converters, each designed to meet specific emission standards. For an efficient install, adhere to the manufacturer's guidelines and ensure you're equipped with the right mounting kits—investing in durability to keep your Grand Cherokee running cleaner, longer.