Fuel Moto AC/DC Air Cleaner for 24-later Gen 2 Milwaukee-8 FLH/FLT Touring models. (includes 117, 121. & 121 VVT models). As with all Fuel Moto parts, our air cleaner kits include only the highest quality components. One piece backing place features an integrated velocity stack. The included air filter element features a cleanable cotton/gauze high flow material ready to be installed. The included hardware is of OEM quality. Although installation is very straight-forward, we have made it even easier with the technician created step by step instructions. Optional Typhoon and Carbon Fiber covers are available, as well as oversize higher flowing BMF air filter elements recommended for engines making over 115 horsepower. BMF element supports 160+Hp