The 4X4 is thicker due to the material used to construct it is different than the 4X2. It may not necessarily be more stout.
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2004 Titan Smoke LE CC
Born 11/18/03
Bed Extender, Overhead Racks
Hood Protector, Banks Monster Exhaust, Volant CAI, Hellwig Rear Sway Bar, Bilstein shocks
Never argue with idiots. They'll drag you down to their level and beat you with experience.
-Gambit
No, as noted above, they will not swap. The 4x4 has a steel front drive shaft (rusts) and an aluminum rear drive shaft (large diameter and does not rust). The 4x2 is steel and rusts.
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