Chrysler 300C 2004 - 2011 5.7 Hemi V8 340hp
Real standard and upgraded performance figures for the 5.7 Hemi V8 340hp engine in the Chrysler 300C 2004 - 2011.
Below: measured output for the 5.7 Hemi V8 340hp in the Chrysler 300C 2004 - 2011, standard vs. remapped, in both horsepower and torque.
| Horsepower (HP) | Torque (Nm) | |
|---|---|---|
| Standard | 340 | 525 |
| Stage 1 | 360 | 545 |
| Stage 2 | 370 | 555 |
- Make
- Chrysler
- Model
- 300C
- Generation
- 2004 - 2011
- Engine
- 5.7 Hemi V8 340hp
- Fuel type
- Petrol
Frequently asked questions
Is Stage 1 tuning safe for the Chrysler 300C 2004 - 2011 5.7 Hemi V8 340hp?
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 5.7 Hemi V8 340hp make after tuning?
Standard output is 340 HP / 525 Nm; Stage 1 on this engine typically reaches 360 HP / 545 Nm. Exact results can vary slightly with fuel quality and vehicle condition.
How long does a Chrysler 300C 2004 - 2011 5.7 Hemi V8 340hp 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 5.7 Hemi V8 340hp 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.