Lol this is hilarious. While I am reaching out to do the same with clothing, it is absolutely possible to do so for vehicles. Although, new textures will need to be added for every vehicle. Better to wait for devs to make the changes. I suck at textures (dont have a clue) and maybe.. just maybe... i can make an implementation that could just increase hp for components but that is scary since it should use the same step by step building logic that we use on walls (building wall frames, then adding on walls based on material) etc. since I should be able to armor up vehicles using metal, wood, maybe even corpses XD
In the end, too much circumvention to what would become an obsolete mod (if feasible even) the moment devs make it easy for modders to modify this