GMC Tuning
Every GMC model, engine, and controller we can tune, 1997+.
GMC
117 supported vehicles via AutoTuner and HP Tuners
Select Your GMC Model
GMC Engines We Tune
GMC ECUs and TCUs
GMC tuning at Rapid Racing
We support 117 GMC vehicles across 12 models, covering model years 1997+, through AutoTuner and HP Tuners. That includes diesel, gasoline powertrains and 14 engine and transmission controllers.
Each GMC tune is calibrated for your exact hardware and fuel, then verified with real data on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan. 19 of these GMC applications also support remote tuning, so you can flash and datalog from anywhere. Not sure which controller you have? Browse all supported ECUs or ask us.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.