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Old 03-01-2011, 05:26 PM   #4 (permalink)
Weather Spotter
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Join Date: Nov 2009
Location: Midland MI, USA
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Max - '14 Ford C-Max SEL
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I smell snake oil

Read up on our wiki page and you will find many mods that are proven to get better MPG and cost lest:
Car MPG Efficiency Modifications Main - EcoModder
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