This bellypan is made of high quality carbon fibre and covered with UV resistant clear lacquer. The whole product is made of one piece and specially designed for the street. It has ABE/street homologation and you can use it with the original BMW pre-muffler and you can use it with the original side stand. In order to mount the spoiler you have to order the Fairing Holder article no. VEH.047.HP4ST.K.