Just drove a 2005 or 06 Infinity FX35 that is @ our shop, and all I can say is wow. That dern thing will move. This thing could be a threat maybe to a stock 5.0, I think.
http://trucks.about.com/od/2005infinitisuvs/ss/infiniti_fx45.htm
http://trucks.about.com/od/2005infinitisuvs/ss/infiniti_fx45.htm