DESCRIPTION
When you want quality tuning for you Cummins, look no further than Proven Diesel. Regarded as one of the top Powerstroke tuners in the industry, Proven Diesel has taken that knowledge and experience to the Cummins, and the results will have you smiling from ear to ear as your buddies try to keep up!
Options include single tune, or CSP5 tuning to fit your needs.
* A CSP5 SWITCH IS NEEDED FOR SOTF SELECTION *
When you want quality tuning for you Duramax, look no further than Proven Diesel. Regarded as one of the top Powerstroke tuners in the industry, Proven Diesel has taken that knowledge and experience to the Duramax, and the results will have you smiling from ear to ear as your buddies try to keep up!
Options include single tune and DSP5 tuning to fit your needs.
* A DSP5 SWITCH IS NEEDED FOR SOTF SELECTION *
