Get the most out of your 2001–2010 Duramax with our EFILive Custom Tune Files. Choose from Single Tune or Switch-On-The-Fly (SOTF) options tailored to your truck and performance goals. Note: This product includes tune files only. If you need an EFI Live AutoCal device, please be sure to add it to your order.
You DO NOT need to add a VIN License if you are purchasing the device as they come with one included.
Choose Between +40HP, 75HP, 100HP Single tunes or 0-150HP SOTF
