Few General SR20DET Questions??? Experts, help me out

Question: So from the given information…

-gt2871r
-z32 maf
-550cc injectors
-safc
-BPU

This could yield me close to 400hp?

???

*I also forgot to ask, what’s fuel-cut set at on your ecu’s? (do you guys even have one? couldn’t find info on it…)