Abstract: A customized automobile body and method of changing the appearance of an automobile utilizing a plastic body that has a recess that is adapted to overlie at least a portion of a window of the automobile body, the recess having a base wall and a peripheral wall merging with the remainder of the plastic body. In one embodiment, the recess is filled with a filler and the plastic body is covered with a plastic sheet or woven cloth sheet. In another embodiment, a plastic louver assembly is inserted in the recess. In another embodiment, the base wall of the recess is cut away to expose a portion of the window. In a further embodiment, the window is covered with an overlay of a deeply tinted transparent panel. In one form, the plastic body is a roof cap. In another form, the plastic body overlies a door of the automobile.