"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 ...
Tomorrow we’re getting an exclusive look at what may very well revolutionize common-rail Cummins performance…We’ll be sitting in on a beta test truck getting tweaked while on the dyno. The test mule ...
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