Use the search feature, and start reading threads like this one:

https://www.crossfireforum.org/forum...ew-boards.html

An after market CAI and tune would be a good start. But you have a LOT of reading to do!

Also, go to the section below titled "REGIONAL FORUMS" and find a way to get together with others and "network" (that is the snazzy term used today) your way to that coveted 500 HP!