Well, its really quite simple, DSM knows how to make motors. The 1st gen exclipses actually had better flowing heads and intake manifolds then the 2nd gen, so you don't really have to mess with that, or just do a simple sawp, it cheaper then getting the heads ported. Upgrade to a T3 turbo, a front mount 3 core intercooler, FMU, and all the other easy stuff.
My friend has a 2nd gen exclipse that has over 400hp but he's running on race fuel. The only thing is he hasn't done any internal work, like head porting. You could easlily make up for the race fuel by doing a good port/polish job. Turbo motors are easy, just crank the boost.
<hr width=60% noshade size=1 align=left>Viva la Evolution.