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Does any-one have real world MPG improvement if any on their 2006 dodge after installing the smarty?
 

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Dey took er jerbs!
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Does any-one have real world MPG improvement if any on their 2006 dodge after installing the smarty?
I plugged mine into my totally stock 06 and noticed a couple mpg gain. It ran good, but not as good as my 07 with straight through exhaust.
 
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