K&N Air Filter Kt-7918 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: K&N High Flow Replacement Air Filters are designed for all street legal motorcycles Made to O.e.m size specs and fit into your original airbox These filters feature a design that provides unique high flow characteristics K&N filters allow engines to breathe free and produce optimum horsepower With proper cleaning and care, K&N air filters will last the life of your engine Larger surface area over foam filters Longer service intervals in dusty conditions Four layers of premium cotton gauze provides outstanding filtration Designed to increase horsepower and throttle response Developed with a sealing bead precise to its application Epoxy-coated aluminum wire mesh incorporated into a back-fire screen to protect the filter element Cleans up easily with K&N filter cleaners