K&N® is the inventor and leading innovator of reusable cotton gauze filter technology for automotive applications. The first K&N was conceived for racing over 50 years ago and a performance enthusiast mindset continues today throughout all levels of the company. K&N is the sales and brand leader for performance filters, including an extensive line of factory replacement filters and performance air intake kits. The company actively promotes the environmental, economical and performance advantages of long-life reusable cotton gauze filters.