"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 ...
Even people who are new to the diesel industry may have heard about EFILive. Most prevalent in Duramax-powered trucks, EFILive stickers, or “tuned with EFILive,” can be seen on pullers, drag racers, ...
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