Duramax Efi Live Tuning 2001-2016 Duramax - NO HARDWARE

DURAMAX EFILIVE CUSTOM 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
• Transmission tuning for line pressure changes strongly suggested for 75hp+ tunes**
  *Transmission tuning available for LWN and LML Duramax's                              
• TUNING INCLUDES VIN LICENSE, IF YOU DO NOT NEED THIS PLEASE CONTACT US PRIOR TO ORDERING                                                                                 
• AFTER ORDERING, PLEASE SEND US YOUR AUTOCAL SERIAL NUMBER AND AUTH CODE                                                                                                                
• YOU MUST ALREADY OWN OR HAVE ACCESS TO AN AUTOCAL OR FLASHSCAN OTHERWISE PLEASE ORDER OUR TUNING PACK INSTEAD                 
• FOR TRANSMISSION TUNES- PLEASE SEE ADD ON SECTION                                 
• MULTI TUNES REQUIRES PURCHASE OF A DSP SWITCH- PLEASE SEE ADD ON SECTION