The Porsche iRacing Cup By Coach Dave Delta features the world’s most raced GT car on some of the world’s most legendary road courses. The Porsche 911 GT3 Cup (992) is the digital version of the car that forms the basis of 20 series around the world including the Porsche GT3 Cup Challenge USA and the Porsche Mobil 1 Supercup, and which has launched the professional careers of some of the biggest names in sports car racing. With an open setup chassis and 510 hp on tap from the 4 liter, flat 6 engine, the Porsche iRacing Cup is your chance to make a name for yourself in sim racing. This series uses fixed setups.