Arlen Ness AN-18-459 Stage 1 Big Sucker Air Cleaner Kit Black for Harley-Davidson Touring 17-23Description for Arlen Ness Black Finish Stage I Big Sucker Kit with Standard Filter Looking to maximize performance by adding more air flow to your bike yet not spending an arm and a leg trying to do so? Arlen Ness has you covered. The Stage I Big Sucker Kit allows the bike to breathe better than your stock intake will allow. The beauty of the kit is once it is installed you can either run the filter naked, use the stock OEM cover, or an aftermarket