5.7 V8 - 340ch Tuning
Chrysler 300C — Detailed power and torque gains by stage.
Gains by stage(4)
Power
340 hp
Torque
525 Nm
essence
Power
340→350ch
+10 ch
+3%
Torque
525→540Nm
+15 Nm
+3%
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Everything about 5.7 V8 - 340ch tuning
Tuning the 5.7 V8 - 340ch found in the Chrysler 300C is one of the most popular performance upgrades. This engine offers excellent potential for power and torque gains.
On ChiptuneMAP, find verified gain data for each stage, compare tuner prices and find the ideal professional for your project.
Gains summary by stage
On the Chrysler 300C 5.7 V8 - 340ch, tuning delivers up to +50 hp and +65 Nm depending on the stage. Stock vs tuned figures:
| Stage | Power | Torque | Indicative price |
|---|---|---|---|
| Stage 1 | 340 → 350 hp | 525 → 540 Nm | — |
| Stage 2 | 340 → 390 hp | 525 → 590 Nm | — |
| E85 Flexfuel | 340 → 340 hp | 525 → 525 Nm | — |
| E85+ | 340 → 350 hp | 525 → 540 Nm | — |
Frequently asked questions
What gains can I expect from tuning the 5.7 V8 - 340ch?
Tuning the 5.7 V8 - 340ch (Chrysler 300C) delivers significant power and torque gains depending on the chosen stage. Stage 1, with no hardware modifications, offers the best gain-to-reliability ratio.
Is tuning reliable on the 5.7 V8 - 340ch?
Yes, the 5.7 V8 - 340ch is known for its reliability when tuned, especially at Stage 1. It's essential to use a certified tuner with maps tailored to your engine.
How much does Chrysler 300C tuning cost?
Prices vary by stage and tuner. Check our directory to compare rates from professionals near you.
Should I get a tuning box or an ECU remap?
ECU remapping (modifying the engine control unit map) delivers better results and integration than a plug-in tuning box. It's customized for each engine.
How do I find a tuner for my Chrysler 300C?
Use the ChiptuneMAP directory to find a certified tuner near you. Compare reviews, prices and specialties.