The definition of the rear bumper being attached to the automobile changed the day the Citroen C1 rear bumper came into the forefront. The bumper also has a synonymous name in the Citroen C1 bumper cover. The accessory is a piece of plastic used for bolting onto the lower rear portion of a vehicle. Most of the vehicles being driven around today have the Citroen C1 aftermarket bumper on them. The Citroen C1 custom rear bumper and the Citroen C1 carbon fiber rear bumper get made from substance like hand laid fiberglass and ABS plastic of supreme quality. Possessing the ability to endure crashes is their USP. The exhaust tip is able to exit the vehicle because of the cut-out that is created in the bumper.