"Solely available for Duramax owners, EFILive tuning can yield serious power gains for the 6.6L. Arguably, no single tuning software empowers the diesel owner quite like EFILive. With its OBD-II ...
Owning a Duramax brings with it an inherent potential to easily add more horsepower. For most, it begins with an off-the-shelf programmer, or a tune created using EFILive. Then, once the rush of 500 ...
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