AMS Performance has developed a monster Nissan GT-R tuner, dubbed the "Alpha 9" with 900-hp and 9-second quarter mile times on race gas. Better news? They're working on a 1200-hp version.
Source:
jalopnik Tuning
https://www.tuning-links.com/news_994_Alpha+9+Nissan+GT-R+Belts+Out+900+HP%2C+9-Second+Quarter+Mile.html