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Junior Member
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19 Posts
Discussion Starter #1
i was wondering if anyone has used hypermax's hyperflash tool or sniper tuning special forces tuner and if so what kind of mileage gain have anyone seen on their 7.3L powerstrokes.
 

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The one and only
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410 Posts
IMO leave the tuning up to the custom tuners.

I have looked into it but its not worth it.

Just get a good custom tune from someone and go with it.
 
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