Kumho Ecsta PS91 ( 255/40 ZR18 (99Y) XL )

The Ecsta PS91 is a high-performance summer tire designed for sports cars, sedans, and coupes. It features an asymmetrical tread pattern, providing excellent handling and traction on both dry and wet roads. The PS91 utilizes a unique compound that contains silica and other high-grip materials, which boosts its grip potential under all driving conditions. The tire's sidewall reinforcing technology increases the tire's handling and stability, preventing flexing during high-speed manoeuvres.nnMoreover, the tire has a V-shaped tread design and a continuous central groove that helps in wet traction and water evacuation, reducing the risk of hydroplaning. The PS91 is also designed with a noise-reducing design that reduces road noise and provides a comfortable ride.nnOverall, the Ecsta PS91 is a top-of-the-line performance tire that offers excellent handling, traction, and stability while providing a comfortable, quiet ride, making it an ideal choice for any performance-oriented driver.