Arlen Ness AN-81-001 90 Degree Monster Sucker Air Cleaner Kit Chrome for Big Twin 93-17 w/CV Carb or Cable Operated Delphi EFIDescription for Arlen Ness 90 Monster Sucker Air Cleaner No Cover Chrome Every Arlen Ness 90 degree Big Sucker Air Cleaner intake kit filters more surface area than any other kit on the market for the best performance from your motorcycle. Arlen Ness Hidden Breathers feature O ringed heads from the mouth of the carb or injector to provide efficient engine breathing without any additional hoses or external hardware, and with the inverted, 90 degree