Each EGR Cab Spoiler is extensively tested to ensure a perfect, flush fitment, and is shaped to complement your truck’s existing high-mount brake light. Built with lightweight structural polyurethane, and installed with top quality 3M tape, and adhesive, fitment is easy, accurate, and will hold up in the most extreme conditioner Cab Spoilers come ready to be painted, or can be installed as-is, in it’s natural matte black finish.