MagnaFlow has a variety of 2004 Ford Focus catalytic converters that meet California Grade, HM Grade or OEM Grade requirements. These legally required components will keep your car functioning as it should and ensure your check engine light stays off. Each converter features durable stainless-steel construction and utilizes either a direct-fit or universal design compatible with High to ZX5 trim levels equipped with the 2.0L or 2.3L inline-four engine options. Select your ‘04 Ford Focus’s specifications and state vehicle registration to ensure you buy the correct catalytic converter that fits your car’s needs and meets your state’s emissions compliance regulations.

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

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