What are these small engine inlets on the Super Hornet? Does anyone know what these two small variable inlets on top of the engines are used for on the Super Hornet?


Source: navy.mil; cropped
These are the auxiliary air inlets for the ECS (Environmental Control System):


(image source)

They provide air to the primary heat exchanger (A18), which is then exhausted via the ram air exhaust (A20, the tubes visible behind the inlets in your picture).