Need a replacement catalytic converter for your 1981 Oldsmobile Omega? MagnaFlow offers high-quality catalytic converters engineered for 1981 Oldsmobile Omega sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1981 Oldsmobile Omega requirements and state vehicle registration to buy the best Omega catalytic converter online that fits your '81 Omega and meets your state’s emissions compliance.