TCM Tuning

Performance TCM Tuning Kits for 2016-2023 Models

Take control of your GM Duramax’s transmission with our heavy-duty TCM tuning upgrades engineered for diesel truck owners who demand smoother shifts, stronger towing and unbeatable reliability. Whether you are running an L5P Duramax (2017-2023) or the 2.8L LWN engine (2016-2022). Our kits are built to unlock hidden power and eliminate factory limitations.

Why Choose These TCM Upgrades?

  • Smoother, faster shifting: Say goodbye to sluggish gear changes and hello to precision performance.
  • Boosted towing power: Optimized torque delivery for hauling heavy loads with confidence.
  • Improved fuel efficiency: Fine-tuned calibration keeps your rig efficient on and off the highway.
  • DIY-friendly installation: No advanced skills needed – works with unlocked T87A/T93 TCMs for plug-and-play setup.

Compatible With:

  • L5P Duramax TCM Performance Tune (2017-2023)
  • 2.8L LWN Transmission Tune (2016-2022)
  • Unlocked T87A/T93 TCMs (2017-2023)

Built for Diesel Enthusiasts, Tested on Real Trucks

Our tuning files are crafted by experts and tested on actual Duramax engines to ensure safety and results. Perfect for daily drivers or weekend project trucks, these upgrades give you the edge without compromising durability.

Upgrade Your Transmission Today

Stop settling for stock performance. Grab your TCM tuning kit and transform your Duramax in under an hour – because your truck deserves more than factory settings.