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Old 03-27-2012, 10:03 PM   #18
wavrun2000
o come on
 
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Drives: 06 GTO
Join Date: Nov 2008
Location: Naples FL
Posts: 437
The tune is probably one of the biggest culprit to lower mpg besides the winter fuel. After all the point of a tune is more fuel and air = more powar
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06 GTO with three pedals like it should be
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