Put the finishing touch on your lifted vehicle with Rough Country’s Speedometer Calibration Device! This easy-to-use Speedometer Calibrator helps you quickly and easily reprogram your vehicle’s spe...
Is your factory speed limiter hampering performance at the top end of the track? The Top Speed Eliminator Increases top speed to over 130 mph, and allows adjustment for larger tires. 2000.5-2003 Do...
Get All Five Custom Tunes, Switchable while driving (Switch-On-The-Fly)
Emissions Intact / Emission Compliant – no need to remove your emissions equipment
Do you need Switch-On-The-Fly (SOTF) C...
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
Able t...
Smarty MM3 Hardware Included
Advanced Custom Emission Compliant Tuning capabilities for 5.9L Cummins
Direct J1939 connection to the 3-pin connector on the engine
Able to switch tunes in real-tim...
Smarty’s Features:
CaTCHER software's inside
Ten different performance levels
Fastest download in the industry, up to three times faster than the competition, a typical ECM update takes about 3.5...
