Your Vehicle
Chrysler 300C 5.7 Hemi V8 340hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
100 € VAT included: the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Power Graph
Chrysler 300C 5.7 Hemi V8 340hp: da 340 a 360HP
Remapping Chrysler 300C
MasterTuning develops remapping for Chrysler. La Chrysler 300C 5.7 Hemi V8 340hp può passare da 340 HP a 360 HP con un incremento di 20 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details Chrysler 300C 5.7 Hemi V8 340hp
The Chrysler 300C 5.7 Hemi V8 340hp is equipped with a petrol engine that produces 340 HP and 525 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this Chrysler can achieve 360 HP (+6%) and 545 Nm (+4%).
Our Stage 1 tuning for the 300C 2004 - 2011 delivers an impressive gain of +20 HP and +20 Nm, optimizing the petrol engine's performance while maintaining reliability and staying within safe parameters.
The engine code 5.7 Hemi V8 identifies this specific powerplant configuration. The Motorola NCG4 / Motorola NGC3 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
With 340 HP from factory, this Chrysler 300C is already a performance vehicle. Our remapping extracts even more potential, delivering exhilarating acceleration and enhanced driving dynamics for enthusiasts who demand the best.
Technical Specifications — Chrysler 300C 5.7 Hemi V8 340hp
Factory technical data for the Chrysler 300C 5.7 Hemi V8 340hp (2004 - 2011), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| Engine code | 5.7 Hemi V8 |
|---|---|
| ECU / Control unit | Motorola NCG4 / Motorola NGC3 |
| Fuel | Petrol |
| Compression ratio | 9.6 |
| Bore × stroke | 99.5 X 90.9 mm |
| Stock power | 340 HP · 525 Nm |
| Remapped power (Stage 1) | 360 HP (+20) · 545 Nm (+20) |
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your Chrysler 300C.
Frequently Asked Questions - Chrysler 300C
How much power can I gain from remapping my Chrysler 300C?
With MasterTuning Stage 1, your Chrysler 300C 5.7 Hemi V8 340hp can gain +20 HP (from 340 to 360 HP) and +20 Nm of torque. This represents a 6% increase in power.
Which ECU does the Chrysler 300C 5.7 Hemi V8 340hp use?
The Chrysler 300C 5.7 Hemi V8 340hp uses the Motorola NCG4 / Motorola NGC3 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
What is the engine code of the Chrysler 300C 5.7 Hemi V8 340hp?
The engine code of the Chrysler 300C 5.7 Hemi V8 340hp is 5.7 Hemi V8. You can find it in the vehicle documents or on the engine plate.
Is ECU remapping safe for the Chrysler 300C engine?
Yes, MasterTuning's remapping for the Chrysler 300C 5.7 Hemi V8 340hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the 5.7 Hemi V8 engine.
Is the Chrysler ECU remapping reversible?
Absolutely. The original factory calibration of your Chrysler 300C is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my Chrysler warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
Other Remaps You Might Like
Other Engines Chrysler 300C 2004 - 2011
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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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