The "blower box" is where the intake filter goes. These motors have a really strange mass air sensor and the best thing I could come up with was to cut apart the stock air box (which was metal) and graft the part that holds the large MAF sensor into the core support/ fender well. It still clips onto the part that holds the filter like stock. Ernie...here is the
linkhttp://www.genesisautoparts.com/product/all38908x7701aa.htm