EFI Live Bundle (2004.5-2005 LLY Duramax)

Unlock the full potential of your 2004.5-2005 LLY Duramax with our comprehensive EFI Live Tune Bundle. This all-in-one tuning solution provides the power and flexibility your truck needs to dominate on the road or job site. With custom-tailored tune files and advanced transmission tuning, you’ll enjoy enhanced performance and drivability across the board. Plus, with the Shift-On-The-Fly (SOTF) feature, you can adjust power levels at your convenience, allowing you to instantly adapt to changing driving conditions.

Contents Include:

• EFI Live Autocal Device
• Custom DIESELR Tune Files
  • Level 1: 20 HP
  • Level 2: 50 HP
  • Level 3: 120 HP
  • Level 4: 175 HP
  • Level 5: 240 HP
• Shift-On-The-Fly (SOTF) Switch
• EGR Upgrade Kit
• Performance Exhaust System
• Transmission Tuning (with shift point adjustments, line pressure control, and optimized drivability)

The EFI Live Autocal is one of the most trusted and user-friendly devices in the tuning world, especially for Duramax trucks. With our expertly crafted tunes and transmission calibrations, this bundle offers an unparalleled driving experience that maximizes both power and fuel efficiency. If you don’t already have an EFI Live Autocal device, we highly recommend including one in your setup for seamless, professional-grade tuning.

This EFI Live Tune Bundle delivers a powerhouse package for your 2004.5-2005 LLY Duramax, ensuring peak performance and reliability. With custom-tuned power levels, transmission tuning, and the convenience of a Shift-On-The-Fly Switch, you’re ready for any road, job, or challenge that comes your way.