Yeah not really sure but thats what it seems like to me put it on thinking it was tuned because it had work done and he put headers and a small pulley on it and thats why thw barring spun thats just my guess, I need the money not really the car lol but he said he will take more pictures lets see what he will say after I tell him only turbo gp really make it into the 400whp plus, not to many actual m90 set up make that much I know there is some out there but I don't think this is it