At least that's what the EPA is trying to do. Summit Racing posted this article on facebook yesterday.
http://www.onallcylinders.com/2016/02/09/epa-looking-to-prohibit-conversion-of-street-vehicles-into-race-cars/
http://www.onallcylinders.com/2016/02/09/epa-looking-to-prohibit-conversion-of-street-vehicles-into-race-cars/