Chrysler 300cc 5.7 V8 340
Engine Remapping in Coventry
Chrysler 300cc 5.7 V8 340 in Coventry. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
Chrysler 300cc 5.7 V8 340: standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+27 bhp · +8%- Standard340 bhp
- Remapped367 bhp
Torque
+253 Nm · +90%- Standard282 Nm
- Remapped535 Nm
Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.
Prices from £130
Fully dyno tested | 30 day money back guarantee | Lifetime software warranty
A stage 1 remap lifts the Chrysler 300cc 5.7 V8 340 from 340 bhp to 367 bhp, and from 282 Nm to 535 Nm of torque. That is 27 bhp (8%) more power and 253 Nm (90%) more torque from software alone, available in Coventry.
These are indicative figures for a petrol Chrysler 300cc in good health. Your own results depend on the condition of the car.
Chrysler 300cc 5.7 V8 340 power and torque after remapping
- Fuel: Petrol
- Standard power: 340 bhp, remapped: 367 bhp (+27 bhp, +8%)
- Standard torque: 282 Nm, remapped: 535 Nm (+253 Nm, +90%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a petrol Chrysler 300cc
With a petrol engine the remap works through the ECU's ignition, fuelling and turbo boost tables. Re-calibrating them within safe limits releases power that is already there, rather than adding anything to the engine.
Remapping your Chrysler 300cc in Coventry
Based around Coventry, our team serves local drivers as part of the nationwide Remap Experts network. We regularly work with drivers in Henley Green, Radford, Potters Green, Keresley and Edgwick and nearby areas of the West Midlands.
All our remaps are fully dyno tested, backed by a 30 day money back guarantee and covered by a lifetime software warranty. Request a quote online or call 0800 779 7864.
If you are closer to Birmingham, Leicester and Northampton, those neighbouring Remap Experts sites can help too.

Get a quote for your Chrysler 300cc 5.7 V8 340
Tell us about your car and we will come back with a quote by SMS or phone.
Included
What we can do for your Chrysler 300cc
Stage 1 ECU remap
Add power and torque and improve driveability. Software only, tailored to your engine.
ECU repair and testing
Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.
DPF and EGR fault repair
Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.
Engine carbon cleaning
Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.
Same model
Other 300cc engines
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide