Hello. to answer your question the answer is YES.....as long as you have the proper yokes in place to fit your tranny and rear end and have clearance for the OD then yes it can be cut down and used.
what i would have checked out is the thickness of the tubing..just because is a large OD tube doesn't mean the thickness ( gauge) of metal is where you need it...
any drive line shop that deals with these drive shafts can cut these down and re-balance them very reasonable...i had my last one re-sized and balanced for about $36.00 dollars..
hope this helps...uif you do not know of anyone close i can give you a place where i live that is top notch.
Brian
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Bjuice..
"I'M YOUR HUCKLEBERRY ! "