Most likely my suggestion is when the car was lowered they didnt adjust the heights of the u joints. U can just get the driveshaft aligned to sit right with the suspension. Has to do with shimming u joints if i remember its been a while
1996 Mustang GT, 17x9 front and 17x10.5 cobra r replica rims, 255/40/17 front 285/40/17 rear at the moment,
o/r x-pipe flow master 40 series dump downs, cai/ram intake, 75mm c&l throttle body and plenum, pi heads and intake swap, msd wires, stock gears, untuned at the moment, no dyno numbers for now.