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. [...]
Source:
jalopnik Tuning
https://www.tuning-links.com/news_1040_Switzer+R1K+Nissan+GT-R+Breaks+1000+Horsepower+At+The+Wheels+%5BVideo%5D.html