Diode Dynamics offers a tail-as-turn module that converts Subaru WRX/STi tail lights to function as turn signals for 2015–2020 models. The plug-and-play design uses OEM connectors for easy installation without wiring changes, modernizing the vehicle's rear lighting. Intended for vehicle-specific fitment, the kit provides a straightforward way to update tail behavior while maintaining factory connector compatibility.
Diode Dynamics 15-21 Subaru WRX / STi Tail as Turn +Backup Module (USDM) Stage 1