Stage 1 Air Cleaners for Indian Motorcycle®, Black

Arlen Ness® Stage 1 Air Cleaners replace the restrictive factory air box to increase airflow to the Thunderstroke® engine for added horsepower & torque Engineered to increase airflow to the engine for increased horsepower & torque CNC machined billet aluminum backing plate & components Performance air filter is made from black pre-oiled cotton media for the best in airflow & filtration Includes Smooth Stage 1 Air Cleaner Cover Finish: Black anodize backing plate w/ black Stage 1 outer cover  Fitment: 2014-2022 Indian Motorcycle® Chief or Chieftain models with 111" & 116" Thunderstroke® Engines   California Air Resource Board: Executive Order D-639-11