Vehicle details

Chevrolet Silverado6.6 V8 DuraMAX 397 bhp

Chevrolet
Available Services
  • Model

    Chevrolet Silverado

  • Variant

    6.6 V8 DuraMAX 397 bhp

  • Years

    2011-2013

  • Fuel

    Diesel

  • Engine Size

    6599

  • ECU Type

    Bosch EDC17CP18

Celtic Tuning's economy software is designed to improve fuel efficiency during normal daily driving, specifically under part-throttle conditions.

It delivers a smoother power curve and improved fuel economy, though actual savings and performance gains will depend on factors such as driving style, road conditions, and vehicle load.

Original Modified Difference
397

bhp

480

bhp

+83

bhp

1037

Nm

1220

Nm

+183

Nm

Stage Notes

This Stage 1 ECU remap, developed by Celtic Tuning, is designed to safely improve your vehicle's power and torque whilst maintaining standard components and remaining within tolerances.

It's the perfect balance of increased power and day-to-day usability, which is ideal for those who want extra performance but not at the cost of additional hardware or reliability.