K&N Air Filter Ka-6415 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: Fits directly into OEM airbox Application specific sealing bead ensures a precise fit No modifications to fuel-management are needed Made from high-flow cotton Gauze Washable and reusable Larger filtration area provided by the pleated media No flange position Dimension: .875 H Harmonized Code, EU: 84213100900