I no this might b a dumb question but what are all of the "free mods" i can do to my car and how much will they help out? :eek7:

take off the speed limiter, thats free and you can go over 130 mph :bigthumb:

www.vfaq.com

You can also go to www.racingknowledge.com, DSM section, there is a sticky that lists a bunch of free mods at the top.