This is my GMC Sierra.
All I have done to it is...
-Painted vent shades
-2 inch rear lowering shackles
-Magnaflow single in dual out "tuff tip" exhaust w/ 2 1/2 inch tubing
-15% tint
-Tahoe, Chevy 20's(the polished aluminum 5 spoke)
-Pioneer Premier headunit(the big knob, no color.
-two Memphis M-class 10's under the backseat, carpeted box
-two 6.5 two ways
-two 6 inch two ways
-AEM Brute Force intake
-Airraid Poweraid throttle body spacer
-Hypertech Power Programmer III(junk, 50$ from friend)
-cowl hood
-new style taillights
-12000K HID's for normal headlights
-fog lights
Soon to come...
-12000k for my brights(to blind people when they do stupid things)
-8000k(or whatever is that bright yellow) HID's for fogs
-denali headlights
-Accel race wires.
-NGK Iridium Plugs
-every fluid royal purple makes, in everything that needs fluid(royal purple is the best)
-Z06 cam
-headers
-All black plastic painted same as truck(exterior)
Here are some pictures before it got wreaked with no fogs, HID's, cowl hood, or new taillights.
Engine, it's dirty.

These are the new style taillights.

As of January 21, 2008. It is currently in the shop from me rear ending my friend. Someone cut him off going like 5 and i couldn't stop in time. its gonna be alot nice when I get it back I'm adding a few things. Here is a picture of the damage.

Heres a picture of the hood thats getting put on.

Pictures now that its fixed.