Nadda Bullitt but one bad stang

Brother just bought a kit for his 90lx. From what he told me is its pretty much like a stage 2 port. He told me that he called the company and they told him that the aplication should put him up to about 375 RWHP wow. On top of that he has orderd a ATI Procharger and a NOS kit 50 shot. I think that he should be getting close to 500hp thats nuts. I think this bullitt will not be going to face him at the track anymore, unless he is in his bullitt