If you were interested in proof the Switzer R1K Nissan GT-R lives up to its 1000 hp claim, here it is exceeding it, returning 1005 hp and 811 lb-ft of torque. Monumental dyno chart below.
A Switzer Nissan GT-R made a 191 MPH "official" standing mile pass at the Milemarker-1, setting a speed record for an R35 for that distance. The same month, another Switzer GT-R achieved a record quarter-mile speed.