I want to buy the arc intake box for my ej1, but I can't seem to find it anywhere

 

you know, google search is a wonderful thing. but since i did your homework for you, you owe me after class LOL..

http://www.inlinefour.com/arcsupinbox.html

i dont know if its what you want, but its a start. try google searching for arc intakes like i did

 

weaksos.com has them in stock

 

weaksauce.org has a fully polished one in stock along with the intake arm. I was at their shop the other day. Cool peoples!