Need a replacement catalytic converter for your 1998 Cadillac DeVille? MagnaFlow offers high-quality catalytic converters engineered for 1998 Cadillac DeVille sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1998 Cadillac DeVille requirements and state vehicle registration to buy the best DeVille catalytic converter online that fits your '98 DeVille and meets your state’s emissions compliance.

Need a 1998 Cadillac DeVille replacement exhaust system? Shop all BRExhaust 1998 Cadillac DeVille Direct-Fit Replacement Exhaust Systems to find the best aftermarket kit to replace your 1998 Cadillac DeVille OEM exhaust.