 Complete the following phrase:  In 2014, Corvette Racing introduced the new C7.R to coincide with the launch of the seventh-generation C7 Corvette. The car made its on track debut at the 2013 Rolex Motorsports Reunion and later participated in the 2014 Roar Before the Rolex 24 to prepare for the 2014 United SportsCar Championship. The cars new livery was debuted at the 2014 North American International Auto Show. In 2015, the Corvette Racing C7.R took class victories at both the 24 Hours of Daytona and the 