Sorry another 408 hp guesstimate (choosing Fitech system)

Thanks. I've been all over the fitech threads and talked with jinny at pace performance. I know that the nitrous is it's own and the ratings are aside from it.
I just wasn't sure what my engine N/A would make power wise, but from the sounds of it I should be ok with the 600hp kit.

Now to make up my mind wether the efi is worth it or not.