Its a rat rod.

They’re just hot rods made to look like old bangers, it’s quite a popular fashion in the motoring world of modification. The more dilapidated you can make it look e.g. controled rusting, while at the same time being legal, the better. Of course it’s not just limited to hotrods, other vechilcles that are popular to are are beeltes, or golfs. Not worry, they’re perfectly functional, and have a certain charm to it.