The High-Flow Air Cleaner Kit provides increased airflow to boost the power of your fuel-injected model.;Chrome back plate;Features a one-piece cast back plate with integral breather and mounting brackets for simplified installation;Synthetic washable air cleaner element does not require oiling;Round air cleaner element can be dressed with most Original Equipment or accessory air cleaner covers or choose to flaunt your performance gains with the open element look;Finish it off with a Rain Sock Kit P/N 28728-10 and custom Air Cleaner Trim from one of the H-D® decorative collections;Street legal when used with stock mufflers;Includes air cleaner, back plate, breather and all required hardware;All EFI-equipped models require ECM calibration (priced separately), Recalibration is required for proper installation, See Dealer for details, Labor cost is not included