Arlen Ness AN-18-971 Method Air Cleaner Kit Chrome for Harley-Davidson Touring 08-16/Softail 16-17/CVO Softail 11-17/Dyna Low Rider S 16-17 w/Throttle-by-WireDescription for Arlen Ness Method Clear Sucker Chrome Forged billet aluminum air cleaner featuring a polycarbonate window allowing you to view the internal working of your air intake system Forged billet aluminum backing plate with our patented internal hidden breather backing plate technology resulting in no need for external hoses or hardware for a virtually closed loop system Radius air inlet provides unobstructed airflow into engine High