Tell your 510 buddy he needs to recalibrate his power WAGs, cuz thats not a 440hp SR. And if his tuner said that scrub dyno'ed 440hp tell him he got played. Seriously, whats the point of a ridiculously oversized turbo and doing all that head work if you're just going to slap a knockoff Greddy intake on it with low flow side feed injectors, fed by a stock fuel rail and regulator designed to support 205hp? You can't dyno 440 with that janke.
Bunka Fas if u have no kids, it's easy to do shit when it's just u. When I was younger I was making 12$ an hour n had my own house n 2 new cars an 06 tc n 06 si.