Chrysler 300C 5.7 Hemi V8 340hp Remap
Expected gains of +20 BHP and +20 Nm torque
Get Your Free Quote ↓BHP+20 hp (6%)
Standard
340 hp
Tuned
360 hp
Torque+20 Nm (4%)
Standard
525 Nm
Tuned
545 Nm
Suitability
Limited (3/10)Gains Profile
Limited headroomHeadroom
LowChrysler 300C 5.7 Hemi V8 340hp ECU Remapping
Considering an ECU remap for your Chrysler 300C 5.7 Hemi V8 340hp? A Stage 1 remap can take this 2004 - 2011 petrol engine from 340 BHP to 360 BHP and from 525 Nm to 545 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.
How this engine compares
- 4thof 9 Chrysler 300C engines by power gain
- 14%of the 9,842 engines we hold gain data for see a smaller power increase
- 8%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The Chrysler 300C 5.7 Hemi V8 340hp is a 5.7L naturally aspirated petrol engine producing 340 BHP and 525 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 360 BHP and 545 Nm — a gain of around 20 BHP (6%) and 20 Nm (4%).
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.
Considerations
!Naturally aspirated engine: gains are usually limited; results vary widely.
!High tuned torque: check transmission torque capacity and service history.
Other 300C 2004 - 2011 Engines
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