This low-profile oval air cleaner features an exposed filter element and a cast back plate designed to provide maximum air flow to the throttle body. This easy-to-install air cleaner produces significant performance gains, while the stylish cover is tapered for added leg clearance. This complete kit includes low-profile air cleaner cover, high-flow filter element, cast aluminum back plate, diamond-cut Screamin' Eagle medallion, and all required installation hardware. Protective Rain Sock is included. 50-State U.S. EPA compliant. Fits '18-later Softail®, and '17-later Touring and Trike models. All models require ECM calibration with Screamin' Eagle Pro Street Tuner* for proper installation. ECE compliant on '17 CVO Touring models and '18 FLHTKSE.