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 P/N 29400177 or 29762-09 is available separately. ECE and 50-State U.S. EPA compliant. Fits '17-later Touring and Trike models. All models require ECM calibration with Screamin' Eagle Pro Street Tuner for proper installation.