gsr (b18c1) with 7-8 psi & some bolt ons like a nice header & exhaust, will put down 200 whp as cronic stated.
But if you have it tuned properly on 8 psi w/ some bolt ons you can make 210 - 215 whp. It's all in the cams & tuning

Cams + boost + tuning = tons of whp
Endyn makes crazy mods for supercharged applications.