K&N filters treat your car with the best breath possible. These high quality filters improve performance, while saving you money. Providing additional power through its unique design, these filters replace the standard filter element and are very low restriction, so they improve engine breathing. Because they allow more air into your engine, the result is more power along with improved fuel economy. You ll never buy another filter for your vehicle once you install the K&N. When the filter does become dirty, simply take it out and wash it, re-oil it and use it again. Each K&N filter comes with a one million mile warranty.