Need a replacement catalytic converter for your 1989 Buick Century? MagnaFlow offers high-quality catalytic converters engineered for 1989 Buick Century sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1989 Buick Century requirements and state vehicle registration to buy the best Century catalytic converter online that fits your '89 Century and meets your state’s emissions compliance.

Need a 1989 Buick Century replacement exhaust system? Shop all BRExhaust 1989 Buick Century Direct-Fit Replacement Exhaust Systems to find the best aftermarket kit to replace your 1989 Buick Century OEM exhaust.