i have dual!

2.5 from dp, 2.5 carsound cat, 2.5 midpipe, split into 2 - 2.25 pipes then mufflers...

it's kool...and looks good...do it!

well, i noticed loss of power from 0~1.5k rpm...but now it helps me spool....i may goto 2.5 all the way...we'll seee