Having invented the reusable cotton air filter in 1969, K&N have been perfecting the high-flow technology ever since. With start-of-the art, in-house laboratory & test equipment, K&N Filters have a commitment to continual improvement & development. In addition to outstanding product quality, K&N Filters offers a Million Mile Warranty and a Consumer Protection Pledge on their K&N air filter. K&N Filters being reusable & washable helps you to reduce the amount of disposable air filters you could be adding to landfill otherwise over the life of your vehicle. K&N air filters lead the way in terms of high flow, performance filtration and are continually seeking to provide your vehicle with excellent protection and maximum power. Purchase a K&N air filter today to see the difference for yourself.