Need a replacement catalytic converter for your 1977 Volvo 242? MagnaFlow offers high-quality catalytic converters engineered for 1977 Volvo 242 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 Volvo 242 requirements and state vehicle registration to buy the best 242 catalytic converter online that fits your '77 242 and meets your state’s emissions compliance.