>

Left unsaid, pretty much all of those add-ons would make it no longer street legal, and no insurance company would possibly be willing to take the risk on a driver who buys an offensive vehicle for common use. These are a dumb novelty item for the too-rich-to-live crowd and are fated to live in the third bay of mini-mansion garages across the red-belt.
Car salesman slaps roof "this baby gets 10 full homicides and a deadly assault per tank of gas. Would you like to upgrade the interior trim to our patented dried blood Corinthian leather? 
Buyer slaps roof gets electrocuted and dies >

Corinth is famous for its leather!