Spoon Sports | S-TAI Rear Bumper | Honda Civic Type R | FL5 2.0T K20C1 | 2023+The product design was made using know how accumulated through racing activities and advanced CFD analysis. It was developed through repeatedly on track testing with a Super Taikyu race car. Like the front bumper, a full bumper design was adopted, and FRP material was used. The central grille of the bumper suppresses the parachute effect, while the grilles on both sides effectively vent pressure inside the wheelhouse, creating a pressure difference