Air Intake Box with Runners Assembly, Part 1240953 helps deliver air to the engine cylinder head. It is designed and tested by Polaris Engineers to ensure durability, quality, and optimal performance through lab and field validation testing beyond the expected engine life. Spend more time out on the trails and less time indoors.  We've been a leader in the powersport industry for nearly 70 years, don't settle for anything less than OEM quality.