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Diode Dynamics C-Light switchback LED boards upgrade Subaru WRX/STi 2015–2021 headlights with purpose-built circuit modules that fit behind the factory diffusing reflector. The switchback option produces pure 6000K white for DRLs and a brilliant amber for turn signals using HDLED technology and a diffusing gel for uniform appearance. Assembled in the USA, the modules require opening the factory headlamps and custom mounting with adhesive or beading wire; professional installation is recommended.
Diode Dynamics 15-21 Subaru WRX/STi C-Light Switchback LED Boards
