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Discussion Starter #1
anyone have any recommendations?
 

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Discussion Starter #3

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Kali lean activist
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663 Posts
Superchips turns afm off as well


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07 NNBS
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237 Posts
Honestly, just spend the money and get a tune from Blackbear. Transformed my truck completely. I absolutely regret not doing it sooner and am beyond happy with how well it performs. I will recommend Justin to anyone with any modern Chevrolet v8. My mileage went up around 2-3mpgs(I used 93 before the tune so its not the change in gasoline), power is way up, it sounds better, and it still passed emissions. I don't haul a lot, so he turned my Haul mode into sport mode and firmed up the shifts even harder and it chirps em into second at WOT with 33s.
 
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