I have a 2003 Infiniti QX4. It's like the 2001-2004 Nissan Pathfinder. I used a 2" drop when I had my 2008 Jeep Wrangler Rubicon Unlimited. I don't know if I will go to a 1" drop or NO drop. I...
The wife had the same vehicle and you CAN use a WD hitch with it, though we never tried as we never towed with it. It has the conventional frame like a truck. Don't know the answer to the OP's question, but I would get the 1" drop to start and flip it over if it's too low.