Designed to provide increased horsepower and acceleration Specifically developed for Off-Road, Motocross, ATVs, UTVs and Side by Sides Pleated cotton media provides a large filtration area offering low restriction, high-capacity and long service intervals Multiple layers of woven cotton gauze media offers excellent filtration Fits directly into OEM air box with application specific sealing bead ensuring a precise fit No fuel management modifications are required to obtain increased performance Washable & reusable, most are pre-oiled and ready to ride! Fitment: For Harley models with S&S Super E and G series Carb air filter (Pls check the size make sure it fit for your motorcycle) Package Include: 1 pcs air filter Instruction not included.