Need a replacement catalytic converter for your 1978 Nissan 810? MagnaFlow offers high-quality catalytic converters engineered for 1978 Nissan 810 sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1978 Nissan 810 requirements and state vehicle registration to buy the best 810 catalytic converter online that fits your '78 810 and meets your state’s emissions compliance.