Reviewed By Rupinder K (LINCOLN, CA) Reviewed for a 2007 Infiniti QX56 —9/19/2013 11:18 AM
I haven't felt a big difference in power in my 2007 Q56, but I don't have a lead foot. The biggest improvement I see is my MPG. The per tank MPG went form 12.4 mpg to 14.9 mpg city, and 15 mpg to 19.7mpg. Sweet.