Peakside EFI Live Tune Files

Pick any EFI Live engine file for your Cummins, Powerstroke, or Duramax truck. Tow, street, hot-street, or full performance options are all available and built specifically for your truck, your mods, and your driving style. Higher HP files are available with supporting modifications. These files improve throttle response, torque, drivability, and overall performance while keeping your truck reliable and safe.

These are tune files only. You need an EFI Live device and credits to flash the tune.

• Custom engine tune files for Cummins and Duramax
• Built for your truck, mods, and driving style
• Tow, street, hot-street, and higher power options available
• Improved throttle response, torque, and drivability
• Clean, usable power gains
• Requires an EFI Live device
  

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