Need a replacement catalytic converter for your 1981 Dodge W150? MagnaFlow offers high-quality catalytic converters engineered for 1981 Dodge W150 sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1981 Dodge W150 requirements and state vehicle registration to buy the best W150 catalytic converter online that fits your '81 W150 and meets your state’s emissions compliance.