Thread: Essential mods???
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Old 03-12-2012, 02:05 PM   #4
ga0358

 
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Drives: 2010 ABM LS
Join Date: Jan 2010
Location: Acworth, Georgia
Posts: 935
CAI, FLOWMASTER Axle-back exhaust for starters, gained about 2-4 mpg after adding these bad boys...
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