Need a replacement catalytic converter for your 1991 Eagle Summit? MagnaFlow offers high-quality catalytic converters engineered for 1991 Eagle Summit sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1991 Eagle Summit requirements and state vehicle registration to buy the best Summit catalytic converter online that fits your '91 Summit and meets your state’s emissions compliance.