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      05-07-2013, 11:23 PM   #21
NoynuR
First Lieutenant
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Drives: 2008 M3 Black E92
Join Date: Jan 2013
Location: Austin Texas

iTrader: (3)

Very interested in this.. have to wait till sometime next month to pull the trigger on a supercharger but this is a great deal, and i was leaning towards ESS. Why do you get better gas mileage?