Originally posted by TeHJuSTiN
You can do just as much to the WRX as you can a 350z minus the two extra pistons and rods. It's got camshafts, valvetrain, intake manifold, etc... just like the 350z.
I know that, but the Z has more potential from those changes, minus the fact that it isn't even boosted out of the box. the two extra pistons will help this process.