It doesn't matter how the injection system works if the end result is the same. The end result, in this case, is a control system that monitors and controls AFR based on predetermined programming. Since you're attempting to discuss engine efficiency based on intake temperature, the injection system is only relevant insofar as determining that the ECM will compensate with increased or reduced fuel to maintain a predetermined AFR.
You're not trying to improve the injection system by adding a HAI/CAI to the engine.
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