its an intercooler spray system.... doesnt add nitrous to engine, but sprays to cool the Intercooler to sub zero temps... in the 80'ies they were freyon spray systems... but that went out of fashion ;-)
i dont see any engine nozles in the pic?? or is there somthing you arent telling us marty?
__________________
Elwood:We're 105 miles from Chicago, we have a full tank of gas, half pack of cigarettes, it's dark out and we're wearing sunglasses.
Jake: Hit it.