Chrysler 300C 2004 - 2011 SRT8 6.1 Hemi V8 425hp
Real standard and upgraded performance figures for the SRT8 6.1 Hemi V8 425hp engine in the Chrysler 300C 2004 - 2011.
The Chrysler 300C 2004 - 2011 SRT8 6.1 Hemi V8 425hp is one of the engines we work on regularly — here's what a stage remap typically changes for it.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 425 | 569 |
| Stage 1 | 445 | 590 |
| Stage 2 | 455 | 600 |
- Make
- Chrysler
- Model
- 300C
- Generation
- 2004 - 2011
- Engine
- SRT8 6.1 Hemi V8 425hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Chrysler 300C 2004 - 2011 SRT8 6.1 Hemi V8 425hp?
Yes — Stage 1 for this engine is a software-only remap calibrated to stay within its stock mechanical limits (turbo, clutch, fueling), so no hardware changes are required.
How much more power does the SRT8 6.1 Hemi V8 425hp make after tuning?
Standard output is 425 HP / 569 Nm; Stage 1 on this engine typically reaches 445 HP / 590 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Chrysler 300C 2004 - 2011 SRT8 6.1 Hemi V8 425hp remap take?
Once your original file is uploaded through the member panel, most requests for this engine are completed within a few hours.
Can the SRT8 6.1 Hemi V8 425hp be reverted to its original file?
Yes — we keep the original file on record for the request, so the ECU can be put back to stock at any time.