This is a Genuine Subaru Impreza Spec C 12lt Intercooler Water Spray Bottle.
This is a Genuine Subaru intercooler spray bottle which is fitted to the Spec C.
This is not a full kit, contains – bottle, pump and fixing brackets.
This is factory fitted to Spec C’s so modifications may be necessary to fit into other Subaru Impreza’s.
It is very common for this bottle setup to be used in GC8 cars as a water/methonal injection tank.