06 Pontiac Grand Prix GT - What is this part called?

[jaf85]

I have an 06 Pontiac Grand Prix GT, the plastic piece that runs along the underneath of the car broke due to hitting a curb. I need to figure out what this part is called in order to try and locate/order a new one. Does anyone know what it is called?..I attached a pic.
Any help is greatly appreciated!

 

[Fivefingerdeathpunch]

Side skirt, side moulding, should be somthing along those lines.

 

[Slick2500]

Lower Rocker Molding Skirt/Trim Panel

 

[jaf85]

Awesome, thanks for the help!