KIT-BACKPLATE,AIRBOX,BLACK,XL/

The XL Stage I Air Cleaner Kit provides increased air flow to boost the power of your fuel injected Sportster model. This Round Air Cleaner transforms the appearance of your Evolution power plant and allows you to replace the Original Equipment oval air cleaner cover with your choice of accessory round covers. Gloss black finish Kit includes one-piece cast back plate, high-flow washable air filter element, and all required hardware Street legal when used with stock mufflers Requires ECM calibration (priced separately) Requires separate purchase of a round air cleaner cover, or Twin Cam-style air cleaner trim