Outer Limits 4x4 Board

Hi all,
i have a GQ and ive got a gas research system on it with a pod filter on the end of the throttle body. I want to hook up my 4" snorkel, so i have to run an air box hopefully behind the headlight. But i have no idea wat air box i can use. I would like it if i could run 3" in and 3" out through the box. doesnt worry me if i have to cut the holes myself thanks for ya help!!

Use a cruiser air box out of a 75 series a mate did this to his patrol after he had to fit turbo etc just have to tap the bottom of the box up a bit on the fender side
i have a pic but dont no how to pst ????

yeah a pic would be great! but i dont know how to post it too not real good with computers!