Very interesting indeed! Looks like $180 plus you send them your old one (core). I wonder how much performance increase you could expect. If it was in the range of 15-20 HP more it might be worth it...
2008 Jeep Green Rocky Mountain 4x4 4.7L, 245/65 R17 Fortera's,
class IV tow package w/shackle, front tow hooks, remote start,
MyGig w/backup cam, bun warmers, commandview, QTII,
Rocky Road Super Sliders (now installed and tested!), no lift, full Jeep OEM skid plates,
4xGuard Belly Guard, 4xGuard front skid, Surco 50 x 70 roof rack.