HP Tuners 01-16 Duramax Tunes

• VIN Number Tire Size (if different than stock) Auto or Manual Trans
• Please specify the tune(s) you are looking for; most common tunes are:
• 0hp Stock Power
• 25hp Tow (With brake if LLY+)
• 45hp Economy
• 75hp Street (transmission tune suggested)
• 90hp performance
• 120hp Race

**Transmissiong tuning for line pressure changes strongly suggested for 75hp+ tunes**
*Transmission tuning available for LWN and LML Duramax's*
*2001-2010 Dmax's we do not build transmission tunes unless the transmission is a upgraded build*

We are delivering all tunes on the TDN app, you will get an email after the order with how to set it up and link to us