Used GM exhaust manifold.  This is casting # 10168496. This is RH (Passenger) side for 94-95 LT1 models with the FEMALE air injection pipe.  Please be advised that there are 2 versions of this manifold, one for a MALE air injection pipe, and one for a FEMALE air injection pipe, this manifold is for the FEMALE air injection pipe that threads onto the fitting on the manifold  (see photo #7).  The shield have been removed by grinding the rivets off to inspect for cracks.  You will need to transfer your shields to this manifold.  Fits the following:

94-95 LT1 Camaro (w/ female air injection pipe)
94-95 LT1 Firebird/Trans Am
(w/ female air injection pipe)
94-95 LT1 Impala SS (w/ female air injection pipe)

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