Bridgestone
Potenza RE070: ultra-high performance tire.
Vehicle: Subaru Impreza WRX-STi.
Size: 225/45R17.
Michelin
Pilot Sport: ultra-high performance tire.
Vehicle: Porsche 911 GT3.
Size: 295/30ZR18 N2 rear and 235/40ZR18 N2 front.
The outer half of the tire's tread has a hybrid silica/carbon black compound for cornering and traction while the inner half of the tread has a high-silica compound for wet handling and high-speed durability.