AEM CAI question

[falkor_99]

I was just wondering if anyone knew the diameter of air filter for the AEM CAI? I think its a standard 3 inches, but I cant find out anywhere online.

Thanks

What do you guys think of these type of filters, does anyone use these, or have any input on them:
http://cgi.ebay.com/ebaymotors/3-AIR-INTAKE-FILTER-YELLOW-VW-GOLF-JETTA-PASSAT-GTI-A4-_W0QQcmdZViewItemQQhashZitem2a08515593QQitemZ18052 8174483QQptZMotorsQ5fCarQ5fTruckQ5fPartsQ5fAccesso ries