Quote:
Originally Posted by 2forme
My belief is because they didn't run the dyno with a closed hood. The Injen isn't a CAI. But with the hood open and a fan blowing on it, it is. Oh, and because Injen bypasses some of the air past the MAFS, tricking it into running lean. This would be negated with an aftermarket tune.
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I think MAF placement has everything to do with it and the tube they use in the intake pipe near the MAF for injen. You can see why the AIRAID chokes itself out in the high rpms because the AFRs dive into the 10s and under. That is straight robbing power.