SMY 4-Wire PNP Harness for RBL w/Reverse / 4 Wire RBL - 2011-2014 Subaru WRX / STI (Sedan Only) Subaru-STI-2009 Broad coverage across D-series and

Broad coverage across D-series and B-series applications

8K rear springs

with the ability to add ride-height sensing technology

1 - 2 Liter can

If adjustability isn't needed

SMY 4-Wire PNP Harness for RBL w/Reverse / 4 Wire RBL - 2011-2014 Subaru WRX / STI (Sedan Only) Subaru-STI-2009 Broad coverage across D-series andThis harness speeds up the installation process for the F1 rear brake light kits with 3 wires only. This harness does not regulate light output or change the functions of the rear brake light. Features: PNP Harnesses = Prevents the need to splice into your OEM harness. Just unplug the harness that connects to your tail light and add this in between the tail light and OEM harness Speed up installation Includes: 1 x PNP Harness 3 x Female Plug