Originally Posted by
DazC
Apparently due to the reduced turbine temperatures the turbo operates at a lower temperature so the turbo produces a cooler charge to start with. It is then cooled by the intercooler and then the inlet manifold also has a hand in cooling it even further.
But it doesn't matter if you use 20 intercoolers, you still won't get the temps below ambient. They'd have to utilise a whole separate system to do so.