S&S Stealth Air Cleaner Kit For Harley The S&S Cycle Stealth air cleaner backplate in this kit is made from the same high-strength, advanced, synthetic polymers used in high performance automotive intake manifolds and high-end handgun bodies! This material offers superior mechanical properties, thermal stability, and chemical resistance. Features: 38 increase in flow High-strength synthetic polymer backplate Designed to reduce heat transfer to intake air Cooler, denser air allows for more efficient cylinder fill and better performance Washable filter element Increased filter area, combined with an air horn like radiused inlet and unique S&S Cycle stinger cone to allow smoother faster air flow for more power Available with Lava Chrome Teardrop cover or No cover For a little more style and a high performance look, S&S Cycle offers a number of good looking covers Kit includes back plate, filter element, top cover, hardware, and instructions Made in the USA