S&S, Stealth air cleaner kit. For 58mm S&S throttle body 03-17 Twin Cam with 58mm S&S throttle body (NU)

Without cover. Designed to be re-used with the stock air cleaner cover for a true stealth high performance intake. Also allows installation of the Stealth optional air cleaner cover only which are available in multiple open or closed stylings. Backplate is made of advanced synthetic polymers like used in high performance automotive manifolds and high-end handgun bodies. This material offers strength thermal stability chemical resistance and reduced heat transfer to intake components for best induction efficiency. Note: Compatible with S&S 558678 58mm throttle body. 03-17 Twin Cam with 58mm S&S throttle body (NU)