Backup LEDs for 2015-2019 GMC Sierra 2500 (Pair) XPR (720 Lumens) Diode Dynamics Audi these LEDs redefine brilliance and

these LEDs redefine brilliance and convenience in automotive lighting

We're excited to announce that they are now available in a Mercury-free version for vehicles with D4S Headlights

Unmatched Visibility: These use a new generation of advanced Bi-LED projectors that produce a ton of light output

Trimming: Please note that trimming shrouds is a common task when retrofitting

The Lock Ring: Itself is an anodized aluminum piece

Backup LEDs for 2015-2019 GMC Sierra 2500 (Pair) XPR (720 Lumens) Diode Dynamics Audi these LEDs redefine brilliance andUpgrade. Add more light output and a modern appearance to your backup lights with the 921 XPR backup bulb. Each of the four sides of this bulb is populated with 4 high power LED chips for maximum brightness. Housed in an aluminum casing with a textured finish for superior heatsinking properties the XPR will last for years to come. Best of all installation only takes minutes simply take out your factory bulb and the XPR will fit snugly in the socket.