Diode Dynamics DD2016 C-Light Switchback LED Boards for Subaru WRX/STi

The Diode Dynamics DD2016 C-Light Switchback LED boards are precision-engineered LED upgrades designed to replace the factory C-light boards in 2015-2021 Subaru WRX and STi models. These boards provide enhanced lighting functionality with switchback capability, allowing your C-lights to display one color for daytime running lights and automatically switch to amber for turn signal operation.

Key Features:

• Direct replacement design fits factory headlight housing without modification
• Switchback technology transitions between white DRL and amber turn signal functions
• Engineered and assembled in the USA for superior quality control
• Plug-and-play installation using OEM connectors
• Significantly brighter and more modern appearance than stock halogen boards
• Durable construction designed for long-term reliability

These LED boards provide a substantial upgrade in both appearance and functionality, giving your Subaru's headlights a distinctive, high-end look while improving visibility and safety. The switchback feature ensures compliance with turn signal requirements while maintaining the clean white DRL appearance when not signaling.