Need a replacement catalytic converter for your 1985 Chevrolet Nova? MagnaFlow offers high-quality catalytic converters engineered for 1985 Chevrolet Nova sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1985 Chevrolet Nova requirements and state vehicle registration to buy the best Nova catalytic converter online that fits your '85 Nova and meets your state’s emissions compliance.