Japanese AUTOSPORT magazine scooped FIA-GT3 spec GTR test by NISMO at Fuji.
Test driver is Masataka Yanagida(Nissan driver). Tire is Michelin. It has twin rear exhaust.
The engine is obviously V6(!) judging from the photograph of the engine room(It must be VR38DETT of twin turbo).
http://www.sun-a.com/magazine/detail.php?pid=4803