Not in the manual, does anyone know what it is called?

[bjd088]

The vehicle is an '87 toyota pickup, 4 wheel drive with a 22r. On the exhaust manifold there is a set of brass pipes. Does anyone know what these are called and what they do, I need a new gasket for them.

[corbinwaterski]

It is the EGR.

[DM_Rok]

Those are the air injection pipes. Look in the emmissions system section in your service manual for more info