can u tell if their are mods on the car like smaller supercharger pulley belt wrap any thing after market could say it has been raced look in front of the rear wheels , in the fender well loose rubber like when u burnout. does the SC kick i when you get on it . mods sometimes mean the person or persons just wanted to make it a little faster ,,, not me i have never owned a veh i did no take down the drag strip ,,included my 2011 van. jim