Mack Pinnacle Tuning
3 supported Mack Pinnacle applications, 2025+.

Mack
3 supported Pinnacle tunes

Mack Pinnacle
13L MP8
415 HP stock / 1650 lb-ft
2025+
- Controller
- Engine (ECU): Bosch ECM4
- Flash method
- Bench

Mack Pinnacle
13L MP8
445 HP stock / 1844 lb-ft
2025+
- Controller
- Engine (ECU): Bosch ECM4
- Flash method
- Bench

Mack Pinnacle
13L MP8
505 HP stock / 1859 lb-ft
2025+
- Controller
- Engine (ECU): Bosch ECM4
- Flash method
- Bench
All Supported Mack Pinnacle Tunes
| Engine | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| 13L MP8 | 2025+ | 415 hp | ECU Bosch ECM4 | AutoTuner | |
| 13L MP8 | 2025+ | 445 hp | ECU Bosch ECM4 | AutoTuner | |
| 13L MP8 | 2025+ | 505 hp | ECU Bosch ECM4 | AutoTuner |
Other Mack Models
About Mack Pinnacle tuning
Rapid Racing supports 3 Mack Pinnacle applications from 2025+ through AutoTuner, with stock outputs up to 505 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: 13L MP8.
Supported controllers: Bosch ECM4.
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.
