Need a replacement catalytic converter for your 1981 Ford E-100 Econoline? MagnaFlow offers high-quality catalytic converters engineered for 1981 Ford E-100 Econoline 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 Ford E-100 Econoline requirements and state vehicle registration to buy the best E-100 Econoline catalytic converter online that fits your '81 E-100 Econoline and meets your state’s emissions compliance.