921/T15: GTR Carbide Canbus 2.0 (Red) Chevrolet In the past you had

In the past you had to wire in resistors to your turn signal bulb circuits in order to trick the computer into thinking that your LED bulbs were the same thing as your old dim bulbs

the XV2s are the brightest bulbs currently out there

Choose from White

9" / 430mm wide and 11" / 280mm tall

921/T15: GTR Carbide Canbus 2.0 (Red) Chevrolet In the past you hadCarbide Canbus 2. 0: The Carbide Series LED replacement bulbs from GTR Lighting were originally designed to be the brightest option in the world and today with the version 2. 0 they're even brighter! Because these bulbs are the brightest option available today you will experience greater safety from a brighter light, better performance through built in CANBUS integration, and better style with the beautiful colors created by the custom built LED