Provided herewith is a customizable bumper system for a vehicle and a related method of customizing. The customizable bumper system includes a central weldment that bolts onto a frame of the vehicle. The central weldment includes a height adjustable hitch receiver attachment structure in the form of an array of parallel holes for attaching a hitch receiver at a selected hitch height position along the central weldment. The central weldment also includes a pair of height adjustable extension attachment structures in the form of arrays of parallel holes for selectively attaching a respective pair of lateral bumper extension members upon which one or more selected light components are optionally installed. These lateral bumper extension members are also attached at a selected extension height position. Additional component attachment structures enable one aftermarket components to be optionally installed upon the central weldment.