This video is hard to watch. Not only does the classic Dodge Dart GTS disassembled itself as it tried to showboat down a straight line, but the people behind the dash cam recording the entire tragedy can’t quite keep it together. The thing to remember after watching this gut wrenching (hilarious) video is that if you mod your car, make sure you mod responsibly. In case you need it, check this link for some critical lessons learned on how to mod your car responsibly.
In this specific case, it seems like the Dart made a little bit more power than what the driveshaft components can handle. Once that part went, it was only a matter of time until the suspension and the rear axle parted ways with the classic Dodge.