CARBON FIBER The CDC Classic LightBar fits the ALL 2015-18 Mustang Convertibles. - The factory top effortlessly fits over our Classic LightBar and does not interfere with any factory functions. - Our Classic LightBar attaches to B-pillars creating a sturdy mount, designed to stiffen your convertibles chassis. The LightBar is constructed of a sturdy 1 ¼” round steel tube, with a 1/8” wall thickness. Polyurethane is then molded around the tube and hand-wrapped in vinyl, grained to match your car's interior trim. - Our Classic LightBar bar now requires NO DRILLING to install the mounting brackets and mounting hardware making installation a breeze.