Need a replacement catalytic converter for your 2012 Hyundai Equus? MagnaFlow offers high-quality catalytic converters engineered for 2012 Hyundai Equus sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 2012 Hyundai Equus requirements and state vehicle registration to buy the best Equus catalytic converter online that fits your '12 Equus and meets your state’s emissions compliance.