Testing Tires with Subaru BRZ, Ford Mustang & BMW 328i! The Downshift

On this episode of The Downshift, the boys from Motor Trend and Tire Rack team up to test some tires. Do performance tires really make a difference? Our resident hot shoe Randy Pobst takes to the track with a BMW 328i, Mustang V6, Subaru BRZ and a truck load of tires to find out. by MotorTrend