Ram Pro Master City Tuning

1 supported Ram Pro Master City application, 2014+.

Ram

1 supported Pro Master City tunes

Ram Pro Master City

2.4 MultiAir

184 HP stock / 171 lb-ft

2014+

Controller
Engine (ECU): Continental GPEC4
Flash method
Boot mode
AutoTunerBook a tune

All Supported Ram Pro Master City Tunes

Supported Ram Pro Master City engines and controllers
2.4 MultiAir2014+184 hpECU Continental GPEC4AutoTuner

Other Ram Models

See all Ram models

About Ram Pro Master City tuning

Rapid Racing supports 1 Ram Pro Master City application from 2014+ through AutoTuner, with stock outputs up to 184 hp. Every calibration is built for your exact engine, fuel, and modifications, then verified on our Dynojet 424xLC2 in Jenison, MI, serving Grand Rapids and West Michigan.

Supported engines: 2.4 MultiAir.

Supported controllers: Continental GPEC4.

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.