Used crankcase ventilation hose.  This is an aluminum pipe that is on the RH (Passenger) side of the intake manifold and runs parallel to the valve cover.  This would connect to 2 other rubber hoses for the PCV ventilation system.  Has some dings.  Fits the following:

85-86 TPI Camaro
85-86 TPI Firebird/Trans Am

The item in the photo is the exact item being sold.