This movie http://www.myffi.biz/hiw/ will give you an overview of how
it work, you can read more: http://newyork.myffi.biz/en/index.php?option=com_content&task=view&id=25&Itemid=38
To purchase yours on-line go to http://newyork.myffi.biz/sale.php
If you want to save even more, be an agent, get wholesale prices and
start MAKING money:
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> You can use FFI caps to save money These innovative caps are
> enhancing engine power and saving up to 20% by using the gasoline
> thoroughly. (Works with both diesel and gasoline) Those caps have
> been used exclusively by the U.S. army for 17 years!!!!!
http://www.fuelsaving.info/ffi.htm
http://articles.moneycentral.msn.com/SavingandDebt/SaveonaCar/GasSavingDe
vicesMostlyAScam.aspx
Hock your snake oil somewhere else.
If a device can increase gas milage for a few dollars, don't you think
the manufacturers would put it on?