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Performance chip and AFM disable

Jamison

By Jamison
in Performance Engine Tuning

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Jamison New Member

Jamison

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Posted

Sup y’all recently bought a 2018 GMC Sierra 1500 6inch lift on 35x12.50. I notice the lag in acceleration and thought getting a simple plug n play chip would work but still have that lag. I still want a performance upgrade but need to get rid of the AFM. What are my options to do both and not screw with the warranty cause it’s still active. 

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