Dodge 6.1 SRT8 HEMI Tuning
Supported in 3 Dodge models, 2003+.

Dodge
6 supported 6.1 SRT8 HEMI applications
Models With the Dodge 6.1 SRT8 HEMI
All Supported Dodge 6.1 SRT8 HEMI Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Challenger | 2008+ | 431 hp | ECU Motorola NGC4 | AutoTuner | |
| Challenger | 2008+ | 431 hp | ECU Motorola NGC4A | AutoTuner | |
| Charger | 2006+ | LX | 431 hp | ECU Motorola NGC4 | AutoTuner |
| Charger | 2006+ | LX | 431 hp | ECU Motorola NGC4A | AutoTuner |
| Magnum | 2003+ | 431 hp | ECU Motorola NGC4 | AutoTuner | |
| Magnum | 2003+ | 431 hp | ECU Motorola NGC4A | AutoTuner |
About Dodge 6.1 SRT8 HEMI tuning
We tune the Dodge 6.1 SRT8 HEMI in 6 applications across the Challenger, Charger, Magnum, from 2003+, in gasoline form, with stock outputs of 431 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Motorola NGC4, Motorola NGC4A.
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.
