Need a replacement catalytic converter for your 1977 Pontiac Phoenix? MagnaFlow offers high-quality catalytic converters engineered for 1977 Pontiac Phoenix sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1977 Pontiac Phoenix requirements and state vehicle registration to buy the best Phoenix catalytic converter online that fits your '77 Phoenix and meets your state’s emissions compliance.