Anyone care to take a stab at a better real world discription of having the large plenum down low as on the mod man, possibly the pros/cons as really Indy-s explaination is semi vague and maybe if more understood them they would sell more.

I will say one last time, mine with a 1.5 spacer above the plenum seems to be as good down low and way better up high, but I will only have chassis dyno numbers to compare, no dyno or track specs, but its very easy to tell the diff between an oem dual and a performance single plane.