i'm not a computer nerd and my typeing skill's suck but i'm not an 18yr old kid who does not know what their talking about and i'm not talking about about the stock turbo i'm talking about 20psi to the stock bottom end . and i don't know about you but to me that is a testament to how strong mazda build's it's piston engine's sorry if ped you off but please don't put down my car.holla.