Products tagged with 'xrt pro overdrive'

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111004 Dodge Cummins Overdrive Custom Transmission Tuning Code - H&S Mini Maxx & XRT Pro

2006-2012 Dodge Cummins 48/68RFE - Prolong the life of your automatic transmission with H&S's Overdrive Transmission software. This code unlocks the ability to build a custom transmission tune to compliment the engine tuning on H&S Mini Maxx or XRT Pro tuners.
$99.99 $69.99