Arlen Ness Monster Sucker Beveled Air Cleaner - 81-013 For Harley Sportster 1988-2022 Brand_Thrashin Supply Co. Hundreds of maps available to

Hundreds of maps available to download for your bike (based on model

Levels out trike models that sit low in the rear from the factory

and retains its shape

New 2:1 System for the Milwaukee - Eight Engine

Arlen Ness Monster Sucker Beveled Air Cleaner - 81-013 For Harley Sportster 1988-2022 Brand_Thrashin Supply Co. Hundreds of maps available toFeatures 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 need for any external hoses or hardware Filter features a built in inverted top to pull in air not only from all sides of the filter but also from the front, which results in more performance gaining