ECSTA PS91 is the more advanced Ultra High Performance (UHP) tire. Its performance (Grip Force, Braking, High Speed Durability, Ride Comfort) has shown a significant improvement for driving the supercar on the normal road. The High Speed Stability based on “Conering Performance on Racing Tire” manufacturing techniques in Kumho Tires has been strengthened. Furthermore, we put much work into Tread and Sidewall Design, inserting the Racing Flag Icon on the tire tread and sidewall. The Flag Icon gives a dynamic and sporty feeling.