The monster to my understanding is a well enginered piece of machinery - so why bother? Ahh well it's your bike go and screw it up if you feel the need.
you don't get rid of the airbox
you modify it
you have to keep the structure otherwise the fuel air mix is just so off. t
mods include more holes in the top of the airbox, removing some of the internal baffles and raising the lid of the air box.