i have a stock jdm d15b vtec and i am putting a t3 .42/.48 turbo @9-10 psi. i am aiming for 190-200 whp. what should i do for exhaust (2", 2.5", 3")? should i put a catalytic converter and/or a resonator? i was thininking on putting on a homemade test pipe with the heat shield.

thanks