Interesting concept. I am still undecided, but the work seems easy enough.
I do find the idea of adding a cold charge to the opening a nice one up on the mod. All though it depends on how exactly the ECM calculates injector pulse with. Most modern cars rely more heavily on the up stream 02 sensor to calculate and adjust the a/f ratio. I'm pretty sure even a real cold blast would not change to ratio beyond normal engine rich lean switching for catalyst efficiency. But could be good for a little extra pick me up. I think every 10 degrees is good for 1% HP increase.
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