Air Filters

K&N® AIRCHARGER® Performance Air Intake Systems increase power by eliminating the restrictive stock OE air cleaner and replacing it with a K&N® complete performance intake system. Built with a heritage of over 45 years of performance, building...

K&N's RK Series Air Cleaner Assemblies are designed to get more horsepower from your Harley-Davison motorcycle. These air cleaner assemblies replace the stock air filter and backplate with an oversized K&N Air Filter and custom aluminum backing plate...

Custom tilt forward air cleaners in Chrome or Black finishKits include high flow air filter, 90 degree manifold and CNC billet housingAir cleaner diameter 4 1/2", length 10" (chopped), 12" (cone)Fits CV/ Delphi bolt patternSupport and breather bracket...

High flow performance air cleaners designed to match our popular HardDrive wheel designsMachined from billet aluminum with breather system integrated into the backing plateDue to the increased airflow we highly recommend rejetting your carb or adding a...

Raw performance "racing" air cleaner, classic round design, simplicity at its best, basic and brutalCustomizable to your tasteCentral porthole in thermoformed Lexan, "venturi" for a better flow intake and also to watch your accelerator pump from time to...

If you do not have a 5.5" diameter air cleaner or you aren't in love with the one you have... If you want the hot rod style of the Defender or the F1 and increased air flow performance, Brass Balls Cycles offers both air cleaner covers with the S&S...

If you do not have a 5.5" diameter air cleaner or you aren't in love with the one you have... If you want the hot rod style of the Defender or the F1 and increased air flow performance, Brass Balls Cycles offers both air cleaner covers with the S&S...

If you do not have a 5.5" diameter air cleaner or you aren't in love with the one you have... If you want the hot rod style of the Defender or the F1 and increased air flow performance, Brass Balls Cycles offers both air cleaner covers with the S&S...

If you do not have a 5.5" diameter air cleaner or you aren't in love with the one you have... If you want the hot rod style of the Defender or the F1 and increased air flow performance, Brass Balls Cycles offers both air cleaner covers with the S&S...

If you do not have a 5.5" diameter air cleaner or you aren't in love with the one you have... If you want the hot rod style of the Defender or the F1 and increased air flow performance, Brass Balls Cycles offers both air cleaner covers with the S&S...

If you do not have a 5.5" diameter air cleaner or you aren't in love with the one you have... If you want the hot rod style of the Defender or the F1 and increased air flow performance, Brass Balls Cycles offers both air cleaner covers with the S&S...

If you do not have a 5.5" diameter air cleaner or you aren't in love with the one you have... If you want the hot rod style of the Defender or the F1 and increased air flow performance, Brass Balls Cycles offers both air cleaner covers with the S&S...