Need a replacement catalytic converter for your 1979 Oldsmobile Cutlass Calais? MagnaFlow offers high-quality catalytic converters engineered for 1979 Oldsmobile Cutlass Calais sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1979 Oldsmobile Cutlass Calais requirements and state vehicle registration to buy the best Cutlass Calais catalytic converter online that fits your '79 Cutlass Calais and meets your state’s emissions compliance.