Would that change any if i mentioned that I'm running an LQ1, not a 3800?
No.
Do you have more than two O2 sensors? Probably not. What's wrong with the standard y-pipe design? There's no way you can out flow it so you're just making more work for yourself.
2004 Impala LS - got some mods sold!!!
2009 Subaru Impreza WRX STI
NAIOA moderator Still Imp'n, just in a different Imp.