K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 2017-2018 HARLEY DAVIDSON (Road King, Ultra Limited, Street Glide, Freewheeler, Road Glide, Special)57-1139S

K&N air intake systems are engineered for increased performance, outstanding durability, and sleek aesthetics—and are available in an assortment of finishes and powder coatings. K&N’s state-of-the-art High-Flow Air Filter™ helps to shield your engine from contaminants, while a meticulously engineered aerodynamic tube design contributes to a guaranteed increase in horsepower and torque. K&N air intake systems are designed to improve acceleration, towing, and throttle response while providing world class protection for your engine. Our intakes are dyno-tested and provide up to 50% more airflow compared to OEM intake systems. K&N intakes are easy to install and maintain with air filter cleaning required only every 100,000 miles. Vehicle Fitment: 2017-2018 HARLEY DAVIDSON FLHR Road King; 2018 HARLEY DAVIDSON FLHRXS Road King Special; 2017-2018 HARLEY DAVIDSON FLHTK Ultra Limited; 2017-2018 HARLEY DAVIDSON FLHX Street Glide; 2017-2018 HARLEY DAVIDSON FLHXS Street Glide Special; 2017-2018 HARLEY DAVIDSON FLRT Freewheeler; 2017-2018 HARLEY DAVIDSON FLTRX Road Glide; 2017-2018 HARLEY DAVIDSON FLTRXS Road Glide Special