You can find out on a dyno.
Welcome to the site - you came to the right place. Hopefully, by K&N intake, you only mean a drop-in filter or just the cone filter. If you have the Typhoon, then I highly recommend getting rid of it. The UTEC is also not a good choice as your tuning device, but we can help get you on the right track.
It looks like you've already done extensive cosmetic mods. Give us the details.
