armadaman, you've been a member long time more than I! You can't be all that new!

Utilize the search or advanced search at top of page and youll find excellent threads with all the details of UpRev, ECU Tuning, Osiris.
Simple answer, see my sig below. Notice I don't have HiFlow Cats, CatBack or Headers. Just a Muffler and the CAI/TBS and TB Bypass (not listed). Expect a LOT! if you prep the truck with the other goodies!

__________________
Majestic Blue 2006 XE CC 2WD Big Tow
AEM BruteForce CAI; PowerAid TBS; MagnaFlow 3" x 24" Muffler; UpRev 93 Tuned; Detroit TrueTrac
Stillen Front and Rear AntiSway Bars, Diff. Cover, Front Rotors & Pads
PRG 2-1/2" and 1" MiniLift, Street Traction Bars
DYNO: 308 RWHP & 380 RWTQ
~CRANK: 360 HP & 450 TQ
Born June 12, 2006
Adopted June 27, 2006
14.792 secs at 91.04 mph prior to TrueTrac
Member of the Charm City TitansIRC VK56 Member "Special Operations"