3rd Brake Light LED for 2007-2021 GMC Sierra 3500 (one), XPR (720 lumens) Mazda Four internal posts line up

Four internal posts line up to the bolt pattern on the mid-section of any generation Morimoto Mini H1 projector

Mounting Hardware: 2x Mounting Studs

NOTE: Sometimes old/used ballasts have trouble striking HID bulbs when their high voltage is passed through an extension like this

seamlessly plugging into factory connectors without triggering error codes or flickering issues

these are the perfect solution for non-9006 headlight systems since almost all HID ballasts require a 9006 female input

3rd Brake Light LED for 2007-2021 GMC Sierra 3500 (one), XPR (720 lumens) Mazda Four internal posts line upUpgrade. Add more light output and a modern appearance to your vehicle with the 921 XPR 3rd brake light bulb. Each of the four sides of this bulb is populated with 4 high power LEDs 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.