Does your Nissan smell...sick? You know what we're talking about: If you're sitting at a red light and the odor of bad eggs begins to permeate the air, you may need to take a look at your Nissan catalytic converter. The Nissan catalytic converter is an emissions-control device that changes exhaust gasses into less-harmful substances. Your nose may be the first thing to tell you that your Nissan catalytic converter isn't doing its job, but there's a good chance that you'll have other symptoms as well. For example, rough running, poor idling, and high fuel consumption are all common when a Nissan catalytic converter is kaput. Be wary of your dealership parts department, too. If you ask them for a Nissan Maxima catalytic converter, Nissan Altima catalytic converter, or other Nissan catalytic converter, be prepared for rather exorbitant pricing. That's because your Nissan catalytic converter used to be a hard-to-get item, and dealerships still act like they are. But the truth is you can get an OE-spec Nissan catalytic converter right here for a fraction of the dealership cost. Our Nissan catalytic converters fit and function like the originals, but you can get our Nissan catalytic converters shipped right to your door at great discount prices. Fixing your Nissan catalytic converter doesn't have to be difficult or expensive. And you will want to fix your Nissan catalytic converter: The environment, and your nose, will thank you.