Originally Posted by macdaddyZ28

I just started a new job, and I met this guy there that has a brother that has a mustang. He knows what I run at the track, and he wants to race me for cheese. 500 dollars. Now he says that he aint using nos and he hasnt done anythin to the car but put 3.73's out back. They insist that they aint done anything to this mustang. I think they are lying, but anyways is there a nos system that i can run that is hidden? That way I can run nos and them not know it. And is there a way to tell when you are racing someone with nos? I mean does the exhaust change colors or is there a different smell or like does it sound different? I mean is there a way to run nos so they dont know about it?