2016 - 2022 LWN 2.8 Duramax Emissions Delete + Performance tune with EfiLive AutoCal
2020-2022 please send vin before ordering to confirm tune availablity!
Flash this custom build tune into your vehicle using included Autocal device.
At checkout please provide vehicle VIN so a proper file can be build, in some cases a 'stock read' is required.
Have a look at the available transmission tune
Downpipe and EGR Block off plates also available