Depends on the track you go to, some of our local track here are pretty lax about making you have a roll bar if its a 2008 or newer model, even if they "think" it has been modified. But yes technically the rule states that the car needs to be stock.
you need stage 2
lord jebbis that's a fast sedan..... that's nasty man I didn't know those things were that fast. What mods?