17-23 L5P tune Files only
17-23 L5P tune Files only
Northern Tuning is thrilled to offer our custom tuning solutions for the 2017–2023 L5P Duramax! As one of the most popular trucks in our lineup, the L5P Duramax deserves the best, and our HP Tuners-based custom tunes deliver exactly that.
Whether you’re looking for a reliable single HP tow tune or Switch-on-the-Fly (SOTF) capabilities, we’ve got you covered. Our expertly crafted tuning files are designed to enhance performance, improve drivability, and optimize your truck for any application.
Single Power Levels Available:
- +30HP
- +80HP
- +100HP
- +120HP
- +180HP
Switch-On-the-Fly (SOTF) Power Levels:
- 30HP, 80HP, 100HP, 120HP, 180HP
After checkout email your stock read file to info@northerntuning.com input your order number in the subject field of your email. Allow 1-2 hours for your tune to be sent back to your email.