Originally Posted by swamp2
I am both incredibly surprised (but then again not) that in a thread about hp gains for a particular mod that there is not a single dyno result posted. What I would really like to see is a series of 4 blind tests, back and forth with OEM filter and aftermarket to eliminate the possibility of "noise" in a single measurement of each. I know... don't hold your breath.
It's been posted in threads before, here's a 3rd party test here posted last June from just the filter: