2016 - 2022 LWN 2.8 Duramax Emissions Delete + Performance tune with EfiLive AutoCal

2020-2022 please send vin before ordering to confirm tune availablity!

Reduce unnecessary weight on you 2016 - 2022 LWN 2.8 Duramax, add some power and increase fuel mileage 

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. 

  Exhaust and EGR pipe flange drawings for those who make their own exhaust

Have a look at the available transmission tune

Downpipe and EGR Block off plates also available