well took it to Muncie for a few runs tonight, full tank of fuel, train horns and all and a passager on all runs, wieght aprox 8600lbs, Mini me injectors, stock turbo and fuel system, DP tunnin, and since the Inj install my boost regualtor dosent work right and throw the ses and defuel, the best pass was a [email protected] wich amazed the crowd comming from a CC dually that size, and banging gears!!!! So the Hp envy do the math calulators i figure around 460hp