Check out this iJDMTOY Chevy Silverado LED Light Bar for the 2011-2013 Chevy Silverado! It's perfect for those looking for an LED light bar and wanting to install it in a discreet area.
Use a 10mm socket to remove the 3 bolts behind the bumper opening.
Remove the pins by carefully holding the air flap.
Put the bracket through the bumper and then hand tighten the 3 bolts back together.
Install the light in the bracket through the bumper using the included bolts.
Ensure that the light and bracket are both centered and then tighten the 3 bolts holding the brackets.