The Time Attack car, as Nissan refers to it, car had bigger spoilers for more downforce, different dampers and brake pads, bucket seats that contributed to a significant 50kg weight saving and a new ECU map. Together those modifications could count for several seconds around the 'ring, but perhaps even more significantly the car used to set the time had been tuned specifically for the Nordschleife, as NISMO's engineers confess. Read more at TTAC