2017 - 2018 L5P GM E41 ECM Upgrade Kit | L5P Unlock Cable FBP 2018+ Cummins REQUIRES A BYPASS

2018+ Cummins REQUIRES A BYPASS CABLE

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Does not work with Cab and chassis trucks

If you have a DEF/DPF countdown issues prior to tuning

80HP - Light Tow

2017 - 2018 L5P GM E41 ECM Upgrade Kit | L5P Unlock Cable FBP 2018+ Cummins REQUIRES A BYPASS**In stock and ready to ship** HP Tuners, the leading automotive diagnostics and calibration solution, has released a new GM E41 ECM Upgrade Kit allowing professional tuners to upgrade E41 ECMs found in 2017+ Chevrolet Silverado and GMC Sierra 2500 3500 6. 6L Duramax trucks (L5P and L5D applications) in the convenience of their own shops. By design, this kit eliminates the need to remove the original E41 ECM from the vehicle and thus potentially