MagnaFlow has a variety of 2009 Nissan Altima catalytic converters that meet OEM Grade, HM Grade or California Grade requirements. These replacement catalytic converters will keep your sedan emissions compliant and ensure that the check engine light stays off. Each converter features durable stainless-steel construction and utilizes either a direct-fit or universal design compatible with Base to SL trim levels equipped with engine options ranging from the 2.5L inline-four hybrid to the 3.5L V6. Select your ’09 Nissan Altima’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 2009 Nissan Altima replacement exhaust system? Shop all BRExhaust 2009 Nissan Altima Direct-Fit Replacement Exhaust Systems to find the best aftermarket kit to replace your 2009 Nissan Altima OEM exhaust.

MagnaFlow offers complete performance exhaust systems for your 2009 Nissan Altima. Determine the power and sound you demand for your 2009 Altima and shop all available exhaust systems online. Select your '09 Nissan Altima sub-model and engine details to buy the best exhaust system that fits your needs.