Granted, I know nothing about the X and it's hubs & diff's. Just want to ask if it's possible to swap to manual hubs in the front? Run what locker you want with no in town drawbacks and when trail day shows up, lock them in, then put in 4 when you need it. May be a cheaper way out than the ARB.
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Bill
"Don't follow me, you won't make it...I don't know where the hell I'm going"