I just made a box end for my T5 and then bent my own out of bar stock, welded the two together. Doesn't take long and has been working flawlessly now for 4-5 years.
I do recall having to use a broach (probably made a broach) to open up the square end to fit tightly on the T5 shifter "nub". then drilled and tapped for a couple set screws to keep things from moving.
But doing that, you can bend the bottomost part as far forward as you need and contour it accordingly after that. Oxyacetylene is your friend there.
