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Universal OBD2 Flash Tuning Interface | 2001‑2025
Regular price $399.99 USDRegular priceUnit price / per -
GM Duramax 6.6L EFILive AutoCal V3 DPF Delete Tuner (2001-2016)
Regular price From $879.99 USDRegular priceUnit price / per$999.99 USDSale price From $879.99 USDSale -
Mini Maxx Tuner - V2 | DPF / DEF / EGR Delete Tuner
Regular price From $899.00 USDRegular priceUnit price / per$985.00 USDSale price From $899.00 USDSale -
EZ Lynk Auto Agent 3 | 2001‑2025
Regular price From $659.99 USDRegular priceUnit price / per$1,358.99 USDSale price From $659.99 USDSale -
L5P Duramax SOTF Tune Package | 2017‑2023
Regular price $1,375.00 USDRegular priceUnit price / per -
GM Duramax LM2 3.0L Delete Tune File – 2020-2022 | Boost Power
Regular price $1,000.00 USDRegular priceUnit price / per$1,100.00 USDSale price $1,000.00 USDSale -
EFI Live AutoCal Tune Package for GM Duramax (2001-2016)
Regular price From $357.50 USDRegular priceUnit price / per -
L5P Duramax TCM Performance Tune | 2017‑2023
Regular price $329.99 USDRegular priceUnit price / per -
GM Duramax L5P – TCM Tuning Upgrade Kit (2017-2023)
Regular price $938.98 USDRegular priceUnit price / per -
Unlocked E41 ECM | L5P Silverado & Sierra 2017‑2023
Regular price $1,649.99 USDRegular priceUnit price / per -
GM Duramax LWN 2.8L - Transmission Tune (2016-2022)
Regular price $500.00 USDRegular priceUnit price / per -
Duramax L5P E41 ECM Unlock Kit | GM 2017‑2023
Regular price $439.99 USDRegular priceUnit price / per -
H&S Mini Maxx | Mini Maxx V1 DPF Delete Tuner | 2001‑2025
Regular price $689.00 USDRegular priceUnit price / per$742.00 USDSale price $689.00 USDSale -
GM Duramax LWN 2.8L - Delete Tune (2016-2022)
Regular price From $650.00 USDRegular priceUnit price / per -
GM Duramax LM2 - ECM E46 Upgrade & Unlock Service (2020-2022)
Regular price $550.00 USDRegular priceUnit price / per -
2017-2023 Duramax L5P T87A/T93 TCMs Unlocked
Regular price $399.99 USDRegular priceUnit price / per -
SOTF Switches for GM Duramax (2006-2021)
Regular price From $44.00 USDRegular priceUnit price / per -
EFI Live Autocal V3 DPF Delete Tuner (Blank)
Regular price $549.99 USDRegular priceUnit price / per$659.99 USDSale price $549.99 USDSale -
Collection: Duramax Tuning
Take Control of Your Duramax’s Power – Tuning Kits for Every Model (2001-2025)
Boost your GM Duramax’s performance with tuning kits made for diesel owners who want more power, better fuel mileage, and smoother driving. Whether you drive a L5P Duramax (2017-2023), a 2.8L LWN (2016-2022) or a 3.0L LM2 (2020-2022) our tools are plug-and-play simple.
Why These Kits Work for You:
- Fix factory flaws: Delete DPF/EGR systems to stop regen cycles and save money.
- Stronger towing: Tune your transmission (TCM) and engine (ECM) for smoother shifts and more torque.
- DIY-friendly: Use EFI Live AutoCal, OBD2 tools, or SOTF switches – no mechanic needed.
- Fits your truck: Works with Silverado, Sierra and other GM diesels.
Top Upgrades Included:
- L5P Duramax: TCM tunes, E41 ECM unlocks (2017-2023)
- 2.8L LWN & 3.0L LM2: Delete tunes for better throttle response (2016-2022)
- Older Models: EFI Live AutoCal V3 kits (2001-2016)
- Universal Fix: OBD2 Flash Interface (2001-2025)
Tested by Diesel Pros, Built for Garage Mechanics
Our kits are tested on real trucks to avoid engine issues. Perfect for daily drivers or weekend projects.
Get Started Today
Stop letting your Duramax underperform. Grab your tuning kit and see the difference in under an hour.