Have you ever seen a world-class runner in competition with a thick mask over their face? No - no you have not. Breathing properly is key for high grade performance and when it comes to your motorcycle, Vance and Hines Air Cleaners have been designed to provide a stylish alternative to the options that come fresh from the factory. With a variety of choices to select from, the folks at Vance & Hines have put the control in your hands to decide what type of air-flow will be best for your own personalized configuration. Depending on any other upgrades that have been, or intend to be completed, different amounts of flow will provide alternative enhancements in performance.