DIESELR EFI Live Transmission Tune File (2013-2018 Cummins 6.7L *AISIN ONLY*)The DIESELR EFI Live Transmission Tune File (20132018 Cummins 6. 7L AISIN) is purpose built for Cummins owners who need their transmission to keep pace with serious ECM tuning. Stock AISIN programming is notorious for short shifting, lugging, and sluggish response. This calibration fixes those issues and delivers the transmission performance your truck should have had from the factory. With refined shift logic, the tune keeps your 6. 7L Cummins in its
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