Ok, well... Keep checking the classifieds because sometimes people will WTT there moded box for a stock one before they sell their 4runner. That would probably be the easiest way. Sorry I am not closer or I would help you out.
hey ozana I'll tell you what I can do this on my stock box if you trade me for your untouched stock box I'm in the tacoma area so you drive down I'll do the swap you pay for the parts and a case of beer. I think you should do a cold air intake. they work great free up alot of room under the hood. If your interested send me a P.M.