Need a replacement catalytic converter for your 1984 Jeep J10? MagnaFlow offers high-quality catalytic converters engineered for 1984 Jeep J10 sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1984 Jeep J10 requirements and state vehicle registration to buy the best J10 catalytic converter online that fits your '84 J10 and meets your state’s emissions compliance.