It is from Extreme Fabrication called the dirt screen bumper. It is brand new, never put on. The I have the same one on my quad in the picture. $35 plus shipping. Here is the link to it.
ATV Bumpers - Dirt Screen, Jaws, Standard, and Competition - XFRProATV.com
ATV Bumpers - Dirt Screen, Jaws, Standard, and Competition - XFRProATV.com