 The Mobil 1 Sportscar Grand Prix would ultimately be the last time the car would be campaigned in the 2017 season, with Mazda announcing it would dissolve its partnership with the SpeedSource Race Engineering team, that had been running both cars, with immediate effect on the 18th of July 2017, just 9 days after the race, to prepare for the 2018 WeatherTech SportsCar Championship, with Joest Racing, who would campaign the cars under the Mazda Team Joest banner.It was also announced, that the team's full-season drivers would be involved in the testing for the updated prototype with Joest.This would also mark the final race for the SpeedSource Race Engineering outfit, with the team closing its doors, and putting up all its equipment for auction at the end of the year.