Arlen Ness, Stage 1 Big Sucker air cleaner kit. OEM cover

– Plain backing plate – For use with OEM air cleaner cover – With Red Pre-Oiled filter element; with added urethane to support the shape of the OEM cover. The best and simplest performance air cleaner kit for your bike… period. Gain up to 21% horsepower by simply installing a Big SuckerT kit on your intake.The Big Sucker aluminum backing plate feature a radiused inlet to optimize airflow. The built-in breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings. Note: See 960971 for the replacement filter element.