DON"T BEND YOUR SHIFTERS! (from experience!)
at the bottom of the shifters, there is a rubber boot (round) that stops sh!t getting into the gearbox, thats where most people cut theirs for extending.
be wary, the rubber boot doesn't come off, so when cutting and welding, try not to melt it. i think you should cut it just before the 1st bend, and put 3" of whatever material you want.
same with transfer.
if i find some pics, i'll post them for you.