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When flashing the 2019+ 68RFE transmissions
It’s a name we trust more than any other in the diesel industry when it comes to injectors
Ford EEC-V
Level 2: +50 HP Over Stock
Level 4: +100 HP
2024-25 Duramax L5P HPTuners ECM Send-In Unlock Service TCM When flashing the 2019+ 68RFEUnlock the full potential of your 2024 2025 Duramax L5P with the HP Tuners E42 ECM Send In Unlock Service, designed specifically for using the HP Tuners VCM Suite software. This one time, send in upgrade service modifies your GM E42 ECM (L5P) to enable advanced tuning and diagnostics, giving you complete control over your vehicle's performance. Key Features: One Time ECM Upgrade: Send your E42 ECM to HP Tuners headquarters for a professional unlock
