397 PS stock power
· 2014 -> (2014-heute) · Diesel
ECU Remap — Chevrolet Silverado 6.6 V8 397hp ( 397 PS / 292 kW )
The Chevrolet Silverado 6.6 V8 397hp ( 397 PS / 292 kW ) (Diesel, 397 PS) can be tuned with a Stage 1 ECU remap to 440 PS — a gain of +43 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 Chevrolet Silverado 6.6 V8 397hp ( 397 PS / 292 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 6.6 V8 397hp ( 397 PS / 292 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 6.6 V8 397hp ( 397 PS / 292 kW )?
Stage 1 brings the 6.6 V8 397hp ( 397 PS / 292 kW ) from 397 PS to 440 PS — a gain of +43 PS. No hardware modifications are required, making it the most popular and cost-effective tuning option.
Is chiptuning reversible on the Chevrolet Silverado?
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 Chevrolet Silverado are delivered within 1–3 hours after uploading your original file.