Your confused?! lol! Pretty stoned myself,and some bl%$y good music keeps distracting me...
Anyway, I don't think you need intake fan. Just an open sock into the tent, and a fan taking air out of the tent.
There is a difference between moving the air in the tent around a bit, and changing the air, and we're both too wasted too quite get our heads around it! lol!
Try one fan.