go to dmv and call the smog ref you are getting all the wrong answer for what you want to do here if you have a littel money it can be done belive me you i know i almost went this way the turbo diesle 4wd makes the best rock crawler that is the truth low end toruoqe they are perfect look it to it more if you are serius go to dmv and ask them for the number to the head smog ref you will get it call them they will tell you what to do