■ A part that improves the security of the downforce that makes it a stiffer ride on the highway. ■ By wearing it, it regulates airflow under the body and creates downforce. Increased security during high-speed rides and allows you to drive more comfortably ■GE2 (for rear) is assumed that GE1 (for the front) is attached. Only GE2 (for rear) will result in balance and control stability.