Backup LEDs for 2013-2019 Mazda CX-5 (Pair) XPR (720 Lumens) Diode Dynamics Volvo there is no external driver

there is no external driver to mess with

Ballasts: 2x (One Pair) Matsushita Gen V 35w D2S Ballasts

You'll find lower priced options out there (commonly gold aluminum resistors) that basically accomplish the same task

providing excellent visibility day and night

Upgrade your Ford Super Duty F-250's fog lights to the Morimoto XB LED Fog Lights

Backup LEDs for 2013-2019 Mazda CX-5 (Pair) XPR (720 Lumens) Diode Dynamics Volvo there is no external driverUpgrade. 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.