Need a replacement catalytic converter for your 1990 Oldsmobile Toronado? MagnaFlow offers high-quality catalytic converters engineered for 1990 Oldsmobile Toronado sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1990 Oldsmobile Toronado requirements and state vehicle registration to buy the best Toronado catalytic converter online that fits your '90 Toronado and meets your state’s emissions compliance.