BMW OEM exhaust headers from S38B36 engine swap into E30 BMW three series or compatible for E28, E34 M5 restoration.  The throttle bodies seen in the one photo are not included. These exhaust headers are no longer available as you can see by manual pages provided. Please refer to items 1 and 2 on the manual pages. According to BMW specs these headers were made from a special steel for strength and durability.  I also have the air intake (smog) tube that are compatible with these headers for sale as a separate item.