Need a replacement catalytic converter for your 1990 Mazda 929? MagnaFlow offers high-quality catalytic converters engineered for 1990 Mazda 929 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 Mazda 929 requirements and state vehicle registration to buy the best 929 catalytic converter online that fits your '90 929 and meets your state’s emissions compliance.