Quote Originally Posted by SyntheticShield View Post
He has an intake and PCM which will help, the next biggest bottle neck is the Ubend. Drop down to 180* thermostat and maybe one range colder plugs and he should be okay for a 3.5".

Every car responds a bit differently, but I will say that it is a risk to do it without some way to monitor KR.
He'll probably still see some KR with that setup, especially since he's got a pcm which will up his timing.