those have be brought up a few times. don't work though not worth the money
01-27-2013 02:06 AM
waste doesnt work
01-27-2013 08:06 AM
There is no parts store product that can double your mileage or power. If there was ford would've put it there. They spent millions developing the engine i doubt they would leave out a couple dollar part...
01-27-2013 09:45 AM
If that worked and was that cheap almost everybody on here would have one.