I think he means he wants a crash test cart with a deformable bumper. Uh, wait, I mean https://www.beamng.com/resources/nardelli-crash-test-cart.8/
Listen, there's only one damn crash test cart and there doesn't need to be more than one. Nobody is gonna make one for you. What can be so different about this one you want that is worth making a whole new mod for?