Arlen Ness Monster Sucker 90-Degree Air Cleaner Kit Deep Cut Black Harley M8Arlen Ness Monster Sucker 90 Degree Air Cleaner Kit Deep Cut Black Harley M8 customer told us its for 2017^ m8 motors double check measurements to make sure before purchasing 1010 2097 81 037 info from ness below. Features Big Sucker hidden breather technology and more filter surface area for maximum performance Hidden breathers are O ringed at the heads and exit out the mouth of the throttle body to provide efficient engine breathing, eliminating the