Is there anything to be gained in going from the dual 2.5" ATR to the dual 3" GN1 exhaust with the my following combo?
Stroker 109, 6265 turbo, 3" ATR external gate downpipe, and cutout/test pipe?
I know the total area of the dual 2.5" is larger than the 3" downpipe, so quick math says no, but...