murder is your truck nnbs...if so i can see why you would wait...specially after allen posted the photos of the new kit he is making...but definetly buy supporting parts first that way when the power comes your not breaking things and costing yourself more money...make a realistic goal of the power you want(i know its hard because if i could i would have a 502ci and a twin turbo setup)
06 silverado CC Volant CAI/ Corsa Sport exhaust
dynatech supermaxx headers/cats
LPE GT2-3 cam/ Comp 918's/ Rods
Eaton LSD 3.73's
IAT Shocks
DANNY TRANNY w/2800 TCS billet verter
275HP and 293TQ Pre Cam
314HP and 303TQ post cam