Need a replacement catalytic converter for your 1991 Ford Probe? MagnaFlow offers high-quality catalytic converters engineered for 1991 Ford Probe sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1991 Ford Probe requirements and state vehicle registration to buy the best Probe catalytic converter online that fits your '91 Probe and meets your state’s emissions compliance.