i've not had a chance to dyno yet. i just installed my maf a couple weeks ago and drove it last saturday and it is certainly noticeable.
Engine breaths much more smoothly through the rpm range. My dyno results in general are below in the first link. The second link is a guy who's dyno'ed the maf vs vaf.
I suspect when i dyno i will see a 5hp gain in the top range of 5500rpm+ and possibly up to 10hp gain in the mid range. i am about a month or so away from doing a dyno since my car is in the garage till spring.
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