Back to the other dark side...TVS2300 here I come!
#150
I picked up mine from the dealer using the escalade as a reference.
It relpaces the plain heatshield that mounts to the 4l65 tranny. you may need to think otherwise,due to using the 4l80.
You could try using a 2500 hd with a 6.0 4l80 combo? that combo has the Rubber isolater mounting to the frame (I think?).