06 Silverado RCSB 4.8, 3.73 gears, Pacesetter long tubes with full true dual exhaust through Magnaflow race mufflers, Cam Motion 221/226 .550/.575 114lsa, Comp Cams 918 springs, Comp Cams 7.400 hardened pushrods, Airaid Cold Air Intake
RPM dyno tune 306rwhp/290rwtq

And incase it matters, which im sure it does, here is my wheels/tires setup.
20" American racing RT-S wheels (chrome)
275-55-20 Cooper Zeon AT's

May be taking it to the track tomorrow so I would like to know somewhat on what to expect.