When your Mitsubishi is performing poorly and the fuel mileage has been reduced, the solution can be quite difficult to find. The least expensive, thus first, thing to check is the Mitsubishi air filter. When this part becomes clogged, the engine will not have enough air, and therefore, the engine's computer will reduce the amount of fuel that is mixed with it. This is how a clogged Mitsubishi air filter directly affects performance. The Mitsubishi air filter has the job of removing any substance from the air coming into the engine that could cause harm to the delicate internal components of the engine. As the contaminants build up on the surface, the flow of air is reduced, and soon it will be time to replace the Mitsubishi air filter. Our online catalog has the perfect Mitsubishi air filter to fit any model, and it is priced to please. Our Mitsubishi air filter is made to match the same manufacturing standards as the original unit, and, therefore, will perform equally as well. For many Mitsubishi models, we carry an upgraded version of the Mitsubishi air filter. By replacing the standard paper filter element with one made from several layers of gauze over a wire mesh, better airflow is achieved, as well as better filtering capabilities. Furthermore, the upgraded Mitsubishi air filter is reusable, so when it becomes dirty, you can remove it, wash it, and reinstall it. This type of filter will usually last as long as the vehicle does. In addition to the Mitsubishi air filter, we have a wide assortment of other parts and accessories for your Mitsubishi, in stock and ready to ship at great prices. You order will arrive soon, thanks to our quick shipping.