Need a replacement catalytic converter for your 2004 Scion xB? MagnaFlow offers high-quality catalytic converters engineered for 2004 Scion xB sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 2004 Scion xB requirements and state vehicle registration to buy the best xB catalytic converter online that fits your '04 xB and meets your state’s emissions compliance.

Need a 2004 Scion xB replacement exhaust system? Shop all BRExhaust 2004 Scion xB Direct-Fit Replacement Exhaust Systems to find the best aftermarket kit to replace your 2004 Scion xB OEM exhaust.

MagnaFlow offers complete performance exhaust systems for your 2004 Scion xB. Determine the power and sound you demand for your 2004 xB and shop all available exhaust systems online. Select your '04 Scion xB sub-model and engine details to buy the best exhaust system that fits your needs.