Each EGR Cab Spoiler is extensively tested to ensure a perfect, flush fitment, and is shaped to complement your trucks 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 conditions. EGR Cab Spoilers come ready to be painted, or can be installed as-is, in its natural matte black finish.