I have never personally tried it, but I am under the impression that the loss of resolution at lower airflow can make it difficult to tune low-load areas of the map. Where that comes into play, I am not sure. But I think the 03 Cobra guys start with like a 3.5" MAF tube and upgrade to like 4-4.5" since they are pull-through.
I wonder if there could be an easy way to just sort of restrict how much air actually passes through the MAF sensor, rather than having to put it in a larger tube?
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