Designed in concert with the Milwaukee-Eight® powertrain, the iconic Heavy Breather Air Cleaner features a forward facing oiled cotton filter element that flows large volumes of clean air into the engine.;Chrome;Short, low-profile cast tube rams the charge directly into the throttle body with little turbulence for increased power and torque;Intake tube mounts to a custom back plate that features integral breathers and covers the throttle body and electronics for a finished look;Slanted compact filter adds an aggressive performance look;Shaped to allow installation on Touring bikes equipped with fairing lowers;Kit includes filter, intake tube, custom back plate, water-repellent rain sock and all mounting hardware;All models require ECM calibration with Screamin’ Eagle® Pro Street Tuner for proper installation;50-State U.S. EPA compliant