F1 Covers For 5.5″ Round Air Cleaners

If you already own a round 5.5″ diameter center bolt mount air cleaner and would like to upgrade its look you can simply replace your existing cover with the F1. It’s one of the easiest custom design upgrade you can do to your bike.

Machined from billet aluminum with a carbon fiber backer insert. Available in 3 finishes, Clear Anodize, Hard Black Anodize and Raw Machined finish. Includes 5/16-18 3/4″ counter sink stainless bolt $89.95 introductory price through the end of the year. MSRP $99.95

If you do not have a 5.5″ diameter air cleaner or you aren’t in love with the one you have, Brass Balls Cycles offers the F1 Air Cleaner Cover with the S&S Stealth Air Cleaner Kit for Harley Sportster and Big Twin models. It has increased filter area combined with an air horn like radiused inlet and unique S&S® stinger cone resulting in a smoother faster air flow for more power. $199.95 introductory price through the end of the year for most models. MSRP starting ay $229.95. Online at .

3 Responses to “F1 Covers For 5.5″ Round Air Cleaners”

  1. 1 D.nous Dec 31st, 2016 at 2:31 pm

    hmmm, this an a carbon sleeved D&D bobcat exhaust will go together like strawberries and cream! delicious : )

  2. 2 Dar Holdsworth Jan 1st, 2017 at 4:31 pm

    Thanks Cyril. Appreciate your support through the years. Definitely looking forward to 2017.
    All the best to you and your readers.

  3. 3 Chris Jan 4th, 2017 at 10:19 am

    Nice covers with a clean and modern appearance and made in the good old USA.

    Smart move to couple these with the S&S Stealth Air Cleaner which is 50 state compliant and comes with the stickers necessary to legally use these in California.

    Well done, Dar.

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