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Proud Chevy Owner
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859 Posts
I have the hypertech and like it a lot seemed to get all my power back. The Nelson does replace your comp but its not that hard and since dark has had both and likes the nelson i would go with that. I think he will reprogram it also for free later on if you add something dif to your truck down the line.
 

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I have had them both also and would say get the Nelson tune without a doubt. Dont even waste your money on the Hypertech.

Also, if your still running stock gears getting a lower ratio may be your best answer.
 
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