Arlen Ness Naked Monster Sucker Air Cleaner Kit For Harley Milwaukee Eight The Arlen Ness Naked Monster Sucker intake kit offers more surface area than any other intake kit on the market so your engine can get the air that it needs to make real power. Arlen Ness Hidden Breathers utilize O-ringed heads from the mouth of the carb or injector to provide efficient engine breathing without any additional hoses or external hardware. The inverted 90-degree design is capable of pulling air from all sides of the filter resulting in performance-boosting air flow. The included reusable filter is constructed from water-resistant materials so you don't need a rain sock or oil. Just rinse and re-use! Features: Inverted intake design pulls air from all sides, including the front No hoses or hardware required with Hidden Breather Technology Water-resistant, reusable, oil-free filter element Note: Arlen Ness forged billet covers are available separately.