All New and OEM from original manufacturing build. They were replaced with Termignoni Race set prior to delivery of new bike from Dealer in 2006. Stock Ducati part numbers are: under seat exhaust - 5731064, exhaust pipe - 57010741B, OEM ECU - 2219DD08 (USA) or 999DUCATI020. I am the original owner and they are in new condition as you can see in pics. Ideal for repairs, as a spare set or to restore a 999 to factory build. Asking $350 for the exhaust, pipe and ECU. Local pick up preferred, can ship if needed at cost of shipping. Please call (978) 337-4483 for any inquiries.