Need a replacement catalytic converter for your 1989 Volvo 780? MagnaFlow offers high-quality catalytic converters engineered for 1989 Volvo 780 sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1989 Volvo 780 requirements and state vehicle registration to buy the best 780 catalytic converter online that fits your '89 780 and meets your state’s emissions compliance.