The GT3 Cup Trophy USA entered its eleventh year in 2017 and Pirelli is proud to be the official tire supplier and title sponsor of the Pirelli GT3 Cup Trophy USA racing series.
Pirelli GT3 Cup Trophy USA is the premier point of Porsche Club racing in the United States, featuring Porsche 991, Porsche 997 GT3 Cup Cars and GT4 Cup Cars with the objective to create competitive seat time to further educate and develop each driver's race craft.
Pirelli GT3 Cup Trophy USA will once again boast a numerous field of cars that includes a deep roster of talented racers. Three different classes—Diamond (2014-2016 Porsche GT3 Cup), Platinum (2010-2013 Porsche GT3 Cup), and Silver (Cayman GT4 Cup) as well as Masters classes in Diamond and Silver.
PTNA Motorsport supplies drivers in the series with Pirelli P Zero Racing Slicks and Racing Rain tires.