ABS, top part on serial front skirt with chrome trims Abt body parts stand out due to very high fitting accuracy and best quality. Only high quality materials are used in the manufacturing process. The installation material as well as the installation instructions are provided. Attachment takes place at the original attachment points and by gluing. Our aerodynamic parts are supplied with a general type-approval (ABE) or technical expertise. A registration in the car documents is not necessary, provided that the document is carried in the car.