Extreme Dimensions is one of the premier custom auto parts manufacturers in the world. They manufacture their products using their patented Duraflex material, which is a new-age composite that exhibits outstanding strength and flexibility. Their parts come in a shiny black gel coat finish, and include an installation guide and hardware kit. If your objective is to have the highest quality products on your car or truck, then look no further than the Duraflex line by Extreme Dimensions.