Expected gains of +20 BHP and +18 Nm torque
Get Your Free Quote ↓Considering an ECU remap for your Chrysler 300C SRT8 6.4 Hemi V8 475hp? A Stage 1 remap can take this 2011 -> petrol engine from 475 BHP to 495 BHP and from 637 Nm to 655 Nm of torque (naturally aspirated). This engine scores 3/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your Chrysler 300C can achieve.
The Chrysler 300C SRT8 6.4 Hemi V8 475hp is a 6.4L naturally aspirated petrol engine producing 475 BHP and 637 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 495 BHP and 655 Nm — a gain of around 20 BHP (4%) and 18 Nm (3%).
This engine has low remap suitability, though the available headroom is limited, so gains are modest compared to higher-output variants. The tuning headroom is classified as limited, based on the percentage gain available from the factory output.
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
| Engine | BHP | Gain | Torque | Gain | Score |
|---|---|---|---|---|---|
| 3.6 V6 292hp | 292 → 310 | +18 | 350 → 370 | +20 | Moderate (4/10) |
| 5.7 Hemi V8 363hp | 363 → 385 | +22 | 534 → 555 | +21 | Limited (3/10) |
Get a personalised remap quote for your Chrysler 300C. We'll connect you with a trusted professional in your area.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method.
We recommend discussing your specific vehicle with a qualified remap professional before proceeding.