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      04-27-2011, 01:37 AM   #16
PINeely
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Drives: 2013 535i, 2015 Tundra 1794
Join Date: Jul 2009
Location: Jackson, MS

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My favorite are the magnetic rings that you clip onto the fuel lines. They align the gas particles to burn better... LOL.

As a side note, them including instructions to determine how much fuel you are saving is very smart. It'll lead to people subconsciously hypermiling their cars and then attributing the MPG gains to the device. And then there's the name of the thing...