Intake and exaust?

So im growing in this closet Again and i need some advice on ventilation and i don't wanna go cuting holes in my walls and door what if i take some ventilation hose and make it go under the door and do the same to make it come out with a homemade filter i plan on this being my last grow in this closet then i should beable to hit the great outdoors and im doing a 12/12 from seed

I guess that would depend on the crack size on the door. In theory, it should work. You are still going to need some kind of fan or duct booster to move the air.

a tad over 2 inches

i have the same problem i need somewhere to put an exhaust and intake cuz i have 3 walls and plastic where the door usually b!!