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Message: <blockquote data-quote="NXcoupe" data-source="post: 649918" data-attributes="member: 11751">Fogger and direct port are the same thing. A fogger or direct port has a nozzle for each intake port right at the entrance to the cylinder head intake port on the intake manifold. Each nozzle has one jet for fuel and one for nitrous. It injects the nitrous and fuel mixture so close to the intake valve and cylinder that it guarantees a better mix and that the fuel will stay suspended all the way into the cylinder. It will allow you to run a large shot very safely compared to a single nozzle wet kit or most plate systems. A plate is like a phenolic spacer, goes between the intake and carb or the upper and lower intakes on EFI. They have spray bars, a tube with holes drilled a specific angles that fills with nitrous in one and fuel in the other, and both spray out of the small holes as a mist which mixes and then gets sucked into the intake port and into the cylinder. Plates do not guarantee that an even mix of nitrous and fuel will enter each and every cylinder like a fogger will do. A single nozzle is in the intake air tube before the throttle body and will inject either nitrous, as in my case, or nitrous and fuel, as in a wet nozzle, which in turn winds it's way through the intake tract until it finds it's way into the engine. Hope this answers your questions.</blockquote>