Could you get an experimental certificate for this?

[trenton]

Someone Turned A Jet Into This Awesome Street Legal Limo

https://www.motor1.com/news/263113/private-jet-street-legal-limo/

 

[Paulie]

A certificate for what, it doesn’t leave the ground.

 

[Kenny Phillips]

Someone Turned A Jet Into This Awesome Street Legal Limo

https://www.motor1.com/news/263113/private-jet-street-legal-limo/

In most states, you can build and register your own car. Of course, that thing is no longer "jet" by any means.