With your Brother's it shouldn't be any problem getting it installed on your truck, that will be the asy part. The hard part will be getting it to look right, i.e. follows the natural lines of the truck, so it won't be as easy to notice as the other one was.

More than tread lightly. Leave it like you were never there, nor anyone else.
'90 X-cab 4.88's 33 BFG AT's, rr ARB, Headers, Ignition upgrade, cold air induction.
'91 X-cab 5.29's 315's BFG MT's, rr ARB, custom bumper and flatbed