GMC Sierra 2500/3500 HD | Multicolor RGBW DRL Boards (2020-2023) 0-5V Output Gauge the Gurney flap modification adds

the Gurney flap modification adds a small amount of height to your existing spoiler for a clean

and reliable high-boost performance

Enhances precision and responsiveness of your shifter setup

UV coating that prevents aging

It saves you fractions of a second and on track

GMC Sierra 2500/3500 HD | Multicolor RGBW DRL Boards (2020-2023) 0-5V Output Gauge the Gurney flap modification addsWhy Youll Love This Mod Full RGBW color upgrade for a custom lighting effect Dedicated white chip for clean, OEM style output Control with your phone or the included handheld remote Tailored fit for GMC Sierra 2500 3500 (20202021) LED DRL headlights High end lighting mod without replacing the entire headlight assembly Ships fast from our U. S. facility with real support Upgrade Your Sierra HD with RGBW DRL Boards Turn your 20202021 Sierra HD into a