The carbon fiber hatch is often found to be extremely heavy in weight and is not always found fixed with tail light. Because of the weight of the trunk hatch, a lot of drivers prefer to get for a much lighter weight trunk which is made from carbon fiber or fiberglass like Mazda 3 4dr hb carbon fiber trunk hatch. The lightweight hatch or the racing hatch gives your car more smoother move since the heavy trunk hatch is absent. The Mazda 3 4dr hb trunk hatch is placed towards the rear portion of your car, the same place where trucks or cars have a cargo storage and compartment of luggage. The Mazda 3 4dr hb trunk hatch is simply fixed with mounting points and factory latches.