K&N Air Filter Cm-1314 High flow cotton filter media is designed to increase airflow by as much as 50, resulting in an increase of horsepower and torque. K&N Air Filters are tested to ensure increased airflow when compared to OEM paper filters. Engineered to last throughout the life of your motorcycle and backed by K&N Million Mile Limited warranty. Features: Designed to provide increased horsepower and torque Pleated media provides a large filtration area offering long service intervals Multiple layers of woven cotton gauze media offers excellent filtration Application specific base seal and sealing bead Washable & reusable, pre-oiled and ready to ride! Includes a 10-Year/Million-Mile Limited Warranty