DE Register for free

Chrysler 300C
SRT8 6.1 Hemi V8 425hp ( 425 PS / 313 kW ) — Tuning File

425 PS stock power · 2004 - 2011 (2004-2011) · Gasoline
Vehicle Data
BrandChrysler
Model300C
Generation2004 - 2011
Year2004-2011
FuelGasoline
Displacement6,059.0 L
Engine Code6.1 Hemi V8
ECUMotorola NCG4
Stock Power425 PS
Stock Torque569 Nm
Tuning Potential
STAGE1
439 PS +14
Power
584 Nm +15
Torque
+14 PS
Gain
STAGE2
445 PS +20
Power
590 Nm +21
Torque
+20 PS
Gain
Available Options
CAT OFF Cylinder on Demand OFF E85 Flexfuel Exhaust flaps open Lambda OFF Vmax OFF
ECU Remap — Chrysler 300C SRT8 6.1 Hemi V8 425hp ( 425 PS / 313 kW )

The Chrysler 300C SRT8 6.1 Hemi V8 425hp ( 425 PS / 313 kW ) (Gasoline, 425 PS) can be tuned with a Stage 1 ECU remap to 439 PS — a gain of +14 PS without any hardware modifications. Our tuning files target the original ECU software and optimise parameters such as injection timing, boost pressure and fuel maps to unlock the full performance potential.

All tuning files at ecufiles.io are developed and tested by experienced engineers. The original ECU file is always preserved — the remap is 100% reversible at any time.

Frequently Asked Questions
What does an ECU remap do on the Chrysler 300C SRT8 6.1 Hemi V8 425hp ( 425 PS / 313 kW )?
An ECU remap (chiptuning) modifies the engine control unit software to optimise parameters like injection timing, turbo boost pressure and fuel delivery. On the SRT8 6.1 Hemi V8 425hp ( 425 PS / 313 kW ), this typically results in more power, better throttle response and improved fuel efficiency at part load.
How much power gain is possible with Stage 1 on the SRT8 6.1 Hemi V8 425hp ( 425 PS / 313 kW )?
Stage 1 brings the SRT8 6.1 Hemi V8 425hp ( 425 PS / 313 kW ) from 425 PS to 439 PS — a gain of +14 PS. No hardware modifications are required, making it the most popular and cost-effective tuning option.
Is chiptuning reversible on the Chrysler 300C?
Yes. We always save the original ECU file before applying any remap. The tuning can be fully reversed to factory settings at any time.
How fast do I receive the tuning file?
We process orders Monday to Friday from 08:00–20:00 and Saturday from 10:00–16:00. Most tuning files for the Chrysler 300C are delivered within 1–3 hours after uploading your original file.

Order Tuning File for Chrysler 300C

Upload your original file — we deliver the right tuning file for your SRT8 6.1 Hemi V8 425hp ( 425 PS / 313 kW ). Fast, secure, credit-based. B2B access for chiptuning professionals.

Register for free Log in