AR Bodies EZ Max Duct Work Systems unique 2pc slide together design making installation a breeze. Easily adjusts left, right, in, out, up, or down for a sure fit. Aero Ribs control and direct the air as it is distributed to the radiator. 1" mounting flange creates a positive seal to the nose piece and radiator. Duct Work is available in a 12-degree layback or straight up design for a better fit to your unique chassis design.