Subaru Footwell Illumination Kit Subaru WRX / STI 2015-2021 - Red | H701SFJ101 Wheel Bolt Pattern_4x114.3 The SPL rear traction arms

The SPL rear traction arms replace one of these bushings

and they will tell you that the best bang for the buck handling mod you can give your WRX is a high-performance swaybar

The HPS compound is known for:

forged Pro Series Ball Joints

DW and Bosch have a long standing relationship which has resulted in several fuel injector products

Subaru Footwell Illumination Kit Subaru WRX / STI 2015-2021 - Red | H701SFJ101 Wheel Bolt Pattern_4x114.3 The SPL rear traction armsFitment Information: 2015 2021 Subaru WRX 2015 2021 Subaru STI Features: Illuminate the dark corners of the front floor area and upgrade the interior ambience of your Subaru with a soft red glow. This genuine Subaru Footwell Illumination Kit is integrated with the vehicles light management system to brighten and dim in conjunction with the vehicles interior lighting. LED lights install securely into the designated prearranged locations. Warranty