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Old 02-21-2011, 03:36 PM   #6
victoryred1ss
 
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Drives: 2010 SS M6 2016 2SS A8
Join Date: Oct 2009
Location: Utah
Posts: 553
It made a huge difference on mine with just with the tune from Ted, the maggie tune was kinda weak as I had the same intake, headers, and elevation as you. I would definately recommend a custom tune and a smaller pulley if you need more power.
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