Challenger TERRAGATOR Tuning
3 supported Challenger TERRAGATOR applications, 2014+.
Challenger
3 supported TERRAGATOR tunes
Select Version
All Supported Challenger TERRAGATOR Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 7300 8.4l | 2020+ | 336 hp | ECU Bosch EDC17CV41 | AutoTuner | |
| 8400 8.4l | 2018+ | 370 hp | ECU Bosch EDC17CV41 | AutoTuner | |
| 8400 8.4l | 2014+ | 364 hp | ECU Bosch EDC17CV54 | AutoTuner |
Other Challenger Models
About Challenger TERRAGATOR tuning
Rapid Racing supports 3 Challenger TERRAGATOR applications from 2014+ through AutoTuner, with stock outputs up to 370 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: 7300 8.4l, 8400 8.4l.
Supported controllers: Bosch EDC17CV41, Bosch EDC17CV54.
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.