This chrome S&S Stealth air cleaner kit fits  2008-'17 HD Twin Cam, 103, 110 Tri-Glide and CVO stock-bore throttle by wire models. Increased filter area, combined with an air horn like radiused inlet and unique S&S stinger cone result in smoother faster air flow for more power. Kit includes back plate, filter element, top cover, chrome Air Stream teardrop cover, hardware, and instructions.