I posted this in 3rd gen but looks like no one knows.
I was wondering which would flow more air at 1 bar. BNR stage 2's with a bored out turbo manifold, running non-seq. or a single with these specs:
.84 ar hot side with 2.53" wheel /64.5mm
.7 ar cold side with 2.38" wheel/60.5mm
P-trim
Thanks

 

I believe the single will flow more air. What turbo are those specs for?

 

so, what, a t04b?

not sure about actual flow but the numbers end up being about the same, especially since you are limiting your top end by going with the .84A/R on the turbine side.

stage ii can get you in the high three hundreds, with that single turbo i don't think you'd pull more than 400rwhp anyway...