Still puzzled by the heat soak comment.
Whether the airbox is fed from one source or many only so much air can go through it and all the air coming in is the same temp.
Could you elaborate?
The air coming in from the outside of the engine bay is not the same temp as the air in the engine bay. The air does not stagnate in the air box under throttle, so how would the air effectively be the "same" temperature as you say>?
As you haven't replied I've added some other points.
On F1 cars the air boxes are normally insulated to reduce the amount of engine heat transmitted to the incoming air.
As your airbox is aluminum won't it transmit more heat from the engine compartment to the incoming air than the relatively thick plastic OEM airbox?
You also mention your airbox will "provide the engine with extremely cold fresh air".
The air entering the airbox intakes will be at ambient air temperature so is there some cooling happening somewhere to provide the "extremely cold air"?
In my design, for my own air box, I am utilizing the roof duct + side duct to bring in 2 sources of cold fresh air, both outside of the engine bay. at Zero throttle, sure the air will gradually get to the same temp as engine bay ambient temp, but under throttle when the car is moving the air does not equal the ambient engine air temp. This has already been proven on our other product, the GT cooling panel. I'm sure the prime member that did extensive data logging can chime in if he see's this thread. His vehicle is a dedicated track monster.
Lastly it's calculated by Renault F1 engineers that at 200 mph there is a 5% gain in air pressure from the F1 car overheard air intake over normal atmospheric pressure.
What percent gain would you expect at more normal speeds?