It still not ready to compete in the 1/4 mile, but there was a noticeable subjective increase in acceleration after swapping the filter which was greater than when I swapped my factory exhaust for the DTH exhaust.
(After installing the scoop there has been a consistent 2mpg increase over the last 5 months as opposed to the preceeding 7 months. I don't think I changed my driving style and I the only other mods were horn, audio and such so the scoop got the credit for the mileage increase.)