Arlen Ness, Stage 1 Big Sucker air cleaner kit. OEM cover 17-22 Touring

- Plain backing plate - For use with OEM round or wedge air cleaner cover - Standard Red Pre-Oiled filter. 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. Backing plates: The Big Sucker aluminum backing plates feature a radiused inlet to optimize airflow for both carburetor and fuel injection applications. The built-in breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings. 17-22 Touring