I cant speak for centrifugal but, I have a roush tvs on my 2011. I am very pleased with the 652 rwhp it put down. That was with an 82mm pulley, jlt big air, afco heat exchanger, lund tune, 9.3 lbs of boost and 93octane. The thing I really like was it was making 400ft/lb by 2000 rpm and 500...