On the back of a second consecutive championship-winning season in the IMSA WeatherTech SportsCar Championship GT Daytona class, MSR hit Daytona International Speedway for the first time with the Acura ARX-05 with which it will contend for Prototype honors in 2021. The ARX-05s, in Team Penske’s hands, have won the last two IMSA Prototype titles,…