If the system doesn't hold 10 inHG for 10 seconds or longer you have a leak that you need to deal with

Ensure compatibility with your aftermarket air cleaner thickness before installation

and spacers OEM# 43358- 00 and 43617-00

trailer fenders

Flatty 4" Air Cleaner S&S Super E/G Carburetor - Brushed Aluminum Brand_Cycle Electric If the system doesn't holdCheck out the Flatty air cleaner for S&S Super E G Carburetors. A beautiful addition to your carb to not only make it look better but breathe better as well! These air cleaners feature a Uni filter element that is easy to remove and clean. Machined from 6061 aluminum at Hawg HQ in Los Angeles! Notes: Some basic jetting tuning may be required upon installation to maintain the correct air fuel mixture. When installing, it is recommend to use with a