EAS SOTF 2011-2016 Silverado/Sierra 2500/3500 6.6L LML Duramax Diesel Edge ProductsEAS Shift On The Fly (SOTF) Accessory. 2011 2016 Chevrolet Silverado GMC Sierra 2500 3500 6. 6L LML Duramax Diesel Edges all new EAS Shift On The Fly (SOTF) allows you to change custom tunes on the fly utilizing the Insight. The EAS SOTF part numbers cover the 2011 2016 Duramax, 2010 2018 Cummins, and 2011 2019 Power Stroke. Customers can now change tunes right on the screen! Many companies use a voltage signal to change between their 5 tune levels,
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