http://www.norcaldieselforum.com/showthread.php?t=128
Here's the specs on the truck that did it:
01.5 Dodge 2500 4X4 Auto - HRVP, AFE, ATS arc flow, WINspeed heater grid spacer, ported & o-ringed Common Rail head, ported exhaust manifold, ARP studs, Single turbo, WINspeed-injectors, N2O...