Arlen Ness AN-18-507 Stage 1 Big Sucker Air Cleaner Kit Chrome for Harley-Davidson Softail 00-14/Dyna 99-17/Touring 02-07Description for Arlen Ness Chrome Finish Stage I Big Sucker Kit with Standard Filter This Arlen Ness Stage I Big Sucker Kit is packed with features for the best motorcycle performance. The 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 chrome aluminum backing