if you would like some instructions (a 'how to") look around (search) for "Stealth CAI"
It's a "sticky" on here, and you'll find a lot of posts from those who've done it.
Basically you use minimal hdwe. and existing pieces to remove the box & hook up a cone filter before the MAF.
Prev. advice on unhooking the battery to "reset" the computer so it can "learn" the new intake speeds up the system's adaptation to the change....
(Very popular cheap mod.)