Arlen Ness Monster Sucker® Air Cleaner Kit — Beveled Chrome - 81-023 For Harley Motorcycles 1999-2017 Product Type_Gaskets & Seals Requires removal of the stock

Requires removal of the stock seat

'99-'09 FXSTB

If you believe any of the information provided is erroneous

made S&S components

Arlen Ness Monster Sucker® Air Cleaner Kit — Beveled Chrome - 81-023 For Harley Motorcycles 1999-2017 Product Type_Gaskets & Seals Requires removal of the stockFeatures 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