is the inner diameter the same though? someone mentioned it might be 2.5" ID. those rubber intake tubes are probably a 1/4" wall so that would make sense.
its reading lean because the inner diameter is bigger than stock so its letting more air in than it thinks.
try to find a smaller or thicker tube... match up the I.D. and give it another try.
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Originally Posted by GonOvr
I had a spare tire go up in flames once, my truck was hit with an rpg though.