Specifications: A replacement air filter. We stock replacement air filters for most makes of cars, trucks, and suvs, so don\'\'t neglect this essential but easy-to-forget part. For those of you who would like to extract more power from your vehicle, a k&n high-performance air filter, sometimes called a high-flow air filter, is the quickest way to start and cabin air filter. High-performance auto air filters flow more air with less restriction than stock paper air filters. Such air filters are also washable and reusable, meaning you never have to buy another performance air filter again. These filters are even backed by a million-mile warranty, so you know you\'\'re buying quality.