Arlen Ness AN-18-505 Stage 1 Big Sucker Air Cleaner Kit Natural for Softail 00-14/Dyna 99-17/Touring 02-07Description for Arlen Ness Plain Finish Stage I Big Sucker Kit with Standard Filter This Arlen Ness Stage I Big Sucker Kit features an all in one backing plate has built in carb support and breather tunnels that exit at the mouth of the carb or throttle body to create a closed loop system, as well as O ring breather bolts and a radiused intake manifold. This kit includes a natural finish aluminum backing plate that accepts stock air cleaner covers as