Get All Five Custom Tunes, Switchable while driving (Switch-On-The-Fly)
Emissions Intact – no need to remove your emissions equipment
Do you need Switch-On-The-Fly (SOTF) Custom Tuning?
Insta...
Smarty MM3 Hardware NOT Included
Advanced Custom Emission Compliant Tuning capabilities for 2003-2018, 5.9L & 6.7L Cummins
Direct J1939 connection to the 3-pin connector on the engine
...
Smarty MM3 Hardware Included
Advanced Custom Emission Compliant Tuning capabilities for 6.7L Cummins
Direct J1939 connection to the 3-pin connector on the engine
Able to switch tunes in re...
Smarty’s JR Features:
CaTCHER software's inside
Three different performance levels
Improved fuel economy
Optimized drivability
Fastest download in the industry, up to three times faster than the c...
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