2003-2005 5.9L Cummins Peakside HP Tuners Tune Files

Pick any HP Tuners tune file for your 2003 - 2005 5.9 Cummins. Tow, street, hot-street, or full performance, built to match your truck and mods. Higher HP files are available with supporting modifications.

These are tune files only. You need an HP Tuners MPVI device and credits to flash these tunes. Click here for the device, and here for the credits. 

Part Number: PEAK-CUM59-HPTUN-0305

• Custom HP Tuners tune files for 2003 - 2005 5.9 Cummins
• Pick files based on your desired HP and mods
• Improved throttle response, torque, and drivability
• Better fuel economy and performance than stock
• Requires HP Tuners MPVI device and credits
  • Compatible with MPVI2. MPVI3 & MPVI4 Devices
• Stock reads and INFO logs required before files are built

• Level 1: 25HP Tow
• Level 2: 50HP Economy
• Level 3: 90HP Street
• Level 4: 140HP Performance
• Level 5: 190HP Race

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• ?

  hey guys im just curious if your files are locked in case id like to make changes afterwards thanks.

  These are locked, you will not be able to adjust anything.