I have seen these in person.
Its merely a fan (much like the bilge blowers on ebay) that delivers 260cfm.
Snake oil.
Not like the E-Ram at all.
No boost involved in this over priced air filter/fan combo.

Frank McCoy aka Mod-deth aka Mid Life Crisis aka SVT Doood aka mcgainer is a SCAM ARTIST Pre98 Zetec - Some Mods