This guy had a cat back and that was it. He was by himself and weighs about 130lbs.
I'm 240 and had a 150lbs passenger + I had my 17 inch wheels and azenis on about 6lbs more a wheel over stock.
Anyway we only raced from a roll 4 times. Those things move once those 2 extra cams kick in. I stayed a little closer in the lower speeds but as soon as we started going above 60mph he just pulled away to 90-100mph. He probably had 2 cars+ on me each time.
I will say the extra person and wheels made a big difference is how much slower my car was. I had raced a 04 GT stang 2 months ago. And I raced the same guy again tonight and only inched away from him. I was like WTF.
I felt slow time for a bigger snail.
Oh and it was a 04 mach 1 5spd. the 04 had 310hp/335lbs.
I don't know if stage 2.5 would be able to keep up with it.