It seems like a lot of people have tried out DIY at one point or another, making some of the wildest homemade projects. But there are certainly some things that really shouldn't be done by people who aren't professionals at their skills, and some things that just shouldn't have been made in the first place.

Generally, when it comes to cars, you should be especially careful, so the following images pretty much fall into both categories. They're particularly questionable, since they're car mods, meaning that these cars might actually be out on the street right now, distracting people, or impaling another car with the harpoon attached to the bumper.

Personal and work-related vehicles are a high-risk investment to be messing around with, especially when they turn to DIY fails. They might not technically be illegal, but we can't imagine they're legal, either. It's also likely that the things stuck to the outsides will become a moldy mess after the car splashes through a puddle for the first time.

Here are some vehicles that definitely should not be allowed out on the street.