where dose this go

dose anyone know what the water pipe under the exhaust manifold is for

Water cooling for the turbo

it is a top mount turbo of a sr20 there are 2 oil pipes and 1 that goes to the block for water under the exhaust manifold . do i have this right so far ? THEN theres the pipe that goes to the back of intake manifold what does that do???? By the way i have a ca motor

Yeah, the water pipe coming from the turbo goes into the block, the water pipe going to the turbo goes into a chamber on the intake manifold and then to the turbo. After engine shutdown the steam created by the turbo rises into this chamber and cools back into water.

Thanx that helps alot