09Y301 Up for sale is a exhaust pipe for the hummer H1 military ambulance version ( see actual photo of the men walking in the background you can aee a HMMWV ambulance with this mounted in the corner of the enclosure ) , used on the ambulance  with the auxillary heater installed. This is part number 513462 Nsn 2990-01-265-3298 . this goes on the front of the ambulance top enclosure and attaches to the Aux heater unit and vents the exhaust out. this would also be a great exhaust pipe for a small engine application of any type. this measures 1.514 id at inlet and is split to clamp and the od is 1.626 on the clamp area od. the tube od for the balance of the pipe is 1.479 od this is 13 inche long and has a bracket welded on it that is 6 inches wide with two holes in it to mount it. pipe appears to turn around 15 degrees at the top from the inlet position. appers to be powder coated charcoal grey. Nice new pipe. Buyer to pay shipping and packing of $13.70 to your USA location. See our store for more stuff like this Thank you RWK