Juan Lopez - Santini finished second overall .
Juan Lopez - Santini scored his third 3.6 - liter GT3 Cup class win of the weekend to clinch the 2015 Mission Foods GT3 Cup Trophy USA Championship in his 901 Shop No. 810 Porsche GT3 Cup car .
Juan Lopez - Santini finished second overall and scored his third 3.6 - liter GT3 Cup class win of the weekend to clinch the 2015 Mission Foods GT3 Cup Trophy USA Championship in his 901 Shop No. 810 Porsche GT3 Cup car .