GMC Sierra LED Halos Switchback 16-18 Sierra 1500 Diode Dynamics Dodge just a few of the

just a few of the fun

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GMC Sierra LED Halos Switchback 16-18 Sierra 1500 Diode Dynamics Dodge just a few of theTime for an upgrade! From the factory, the Sierra comes with a white C shaped DRL that from certain angles can look segmented and distorted. Diode Dynamics is excited to release our HD LED Halos for the 2016 2018 GMC Sierra that provides a much brighter, more uniform appearance compared to the factory optics. These computer designed LED Halos are circuit boards that align perfectly behind the factory diffusing reflector. Available in switchback and