I'm not opposed to it but I would think it would be fine as is. In the in car vids it seems to still pull but dyno say no more power. This is how it is it set for rpm. I have not paid attention to boost at the higher rpm. Not that it should matter.
02 Regal GS
ZZP Headers/ 42#/ Intake/ S4 zzp sc/ Ported Lim/ LQ4/ HPT/ 3" to SuperTurbo/ Phenolic IC with 2.8 pulley/ XP/ Ported Heads
PB-------12.3 @ 110.......312hp/350tq