Jeep guys lower the T-case if they lift more than 3" (typically) & don't install an SYE kit. Otherwise, the slip yoke in the NP231 can bind & the driveshaft angle can become too steep. None of that comes into play with the 2" diff drop on a VX. The boot on the CV of the driveshaft may start to crack from the introduced angle after some time but throwing some grease on it now & duct taping over that may be all you need...? I would not lower the T-case - it already protrudes bad enough as is.