Kc Maxx Performance

Where Precision Meets Performance

Keep your vehicle running in tip top condition.

We specialize in your vehicle repairs and maintenance.


2017-2019 GM platforms


Retune rates and policies
Retune rates are valid for 6 months from the original full tuning completion date at
a cost of $300 if maintaining current tune Teir, other wise $100 is added to change
Tier levels. If adding flex fuel tuning during retune an additional $200 is applied.

Even your everyday commute can be an exhilarating experience. We

offer EFI calibration services that improve fuel efficiency and overall drivability.

SKU: N/A Category:

Tier 1 Stock cam & stock throttle body, Tier 2 NA unlimited mods, Tier 3 Single Power adder Boost or Nitrous, Flexfuel sensor equipped vehicles tuning add on for Flexfuel, **2017+ GM vehicles TCM tuning


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