Arlen Ness AN-18-561 Stage 1 Big Sucker Air Cleaner Kit Black for Harley-Davidson Softail 00-14/Dyna 99-17/Touring 02-07Arlen Ness Black Finish Stage I Big Sucker Kit with Standard Filter All in one backing plate features a built in carb support and built in breather tunnels Tunnels exit at the mouth of the carb to create a virtually closed loop system Backing plate has O ring breather bolts and a radiused intake manifold Kit includes a black aluminum backing plate, Team Ness high flow air filter and all necessary hardware Stage I features a tapered round air filter