i was looking at some past threads and i noticed that some people were saying they managed to get their cars up to 144mph but failed to mention if it has a chip or if the govenor was removed. my car seemed to give me a clear sign that im not going past 105mph and seemed to hit the shut off but that seems way to low to put on a grand prix gt. maybe i was doing something wrong. i kept the car in drive i was not manually shifting through gears does anyone know what the true top speed of this car is before hitting the shut off?