very interesting bits of information but you are missing the fact that a CAI dosnt mean cold air is lead all the way to the combustion chamber.
most newer vehicles (95 +) come with throttle warming features to it.
if I was thinking full cold air I would run a coolant bypass there.
but the fact is shown in many dyno tests that combustion is most efficient at 60-75 degrees Fahrenheit.
by the way O2 sensors are made to see if the combustion of air/fuel is at peak efficiency, but single band sensors aren't 100% right they only read if its too lean or too rich.
wideband O2 sensors on the other hand read how rich or lean the mixture is and CAI dont make Huge Air improvements compared to a stock intake.
made to improve performance with equivalence to stock intake system.
if the CAI ever did make the huge air density improvements you guys speak of the car would need to be retuned.
BUT
in actuality the WAI does the oposite of what extrems you think a CAI does. WAI limits the amount of air going though the intake system, and in that case is limiting the amount of air in the chamber and in turn the O2 sensors are reading the car is running rich so it turns down the amount of fuel needed, and sacrificing power to make a complete combustion.
what ever els happens with the air after the combustion dosnt matter to me.
now remember Im thinking relative to stock, and efficiency is known for effectiveness in both power and MPG.
so if you think im wrong
I urge you to dyno your car on an inertia dyno.
like i said tho its different to different vehicles