Need a replacement catalytic converter for your 1998 Honda Prelude? MagnaFlow offers high-quality catalytic converters engineered for 1998 Honda Prelude 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 Honda Prelude requirements and state vehicle registration to buy the best Prelude catalytic converter online that fits your '98 Prelude and meets your state’s emissions compliance.