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EFI Autocal V3 with custom tuning EFI Live is the professional's go-to when tuning the 2011-2016 GM Duramax. The EFI Live system is a tool that allows you to electronically crack open the OE ECU & TCM in your Duramax and allows you to overwrite the stock files with upgraded tunes.  Includes the EFI Live Autocal V3 and tuning


Price includes shipping in the USA and Canada

2001-2016 Duramax EFI Live with tuning

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