5.9 Cummins Shift On The Fly Custom Tuning

$100.00

Category:

Description

This add on enables real time, shift on the fly tuning for 2004.5, 2005, 2006, and 2007 model year trucks.  It requires the Smarty Comm Mod (included with all MM3 tuners, additional purchase for Smarty Touch customers) and the total tuning package.  All you have to do while driving is hit a couple of buttons and you can switch between tunes as you drive!

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