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Power Strokes
6.7 Aftermarket
6.7 Tuning
Highest HP Race Tune & No Start Tune
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[QUOTE="gilgamesh, post: 1472950, member: 28262"] I think I heard the most possible with stock fuel is around 500hp. My 2011 with an upgraded turbo saw 440hp on stock fuel and off the shelf tuning. Just a thought: it might be easier to put in a hidden switch for the fuel pump or some other crucial component than it would to change your tune every time you turn off the truck. [/QUOTE]
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Highest HP Race Tune & No Start Tune
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