Why wouldnt you? I'd say, if properly welded, it would be stronger than a factory round tube drive shaft. You make it out of 1/4" square tube. It's beefy as hell.

Only bad part is the vibrations and clanking you get. I can spin mine up to about 35 MPH before it started to vibe out of control.

88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride