Need a replacement catalytic converter for your 2003 Chrysler Concorde? MagnaFlow offers high-quality catalytic converters engineered for 2003 Chrysler Concorde sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 2003 Chrysler Concorde requirements and state vehicle registration to buy the best Concorde catalytic converter online that fits your '03 Concorde and meets your state’s emissions compliance.