OUR MISSION
Using advanced remote technology, we diagnose issues, analyze data, and custom-tune ECUs to match your truck’s exact needs
Diesel Tuning Experts
WHATS NEW AT 3K
New at 3K Performance—fresh tuning options, new tools, and more power at your fingertips. Built for those who want more out of their machine.
FEATURED PRODUCTS
Duramax L5P ('17-'23)
$800.00
Duramax L5P Tuning for HP Tuners (2017-2023) – Unleash Maximum Power & Efficiency
2024-2025 Duramax L5P tuning
$800.00
Unlock the full performance potential of your 2024–2025 Duramax L5P with our premium Performance Tune File.
2020-22 6.7 POWERSTROKE CUSTOM TUNING
$800.00
Our tune files are available across multiple tuning platforms, including EZ Lynk, HP Tuners, and Bench Flash options.
