Quote Originally Posted by CH@Dbee
different core sizes.

treadstones are 22 wide and that one is 26.5 yet that flow the same but treadstones is 4.4 inchs shorter.

i will say this once and once only. theese are not powerXS or XSpower or whatever cores, theese cores are not made in china they are made in mami FL
Length X Width X Hieght

not trying to be an ass, but do the math on it.

200~205 area.

they have the same exact area and Air volume and flow rate are the same. They may not be manufactured the same but they are the same none the less.