Get All Five Custom Tunes, Switchable while driving (Switch-On-The-Fly)
Do you need DuramaxTuner.com Switch-On-The-Fly (SOTF) Custom Tuning?
Sport Tune
Street Tune
Light Tow
Heavy Tow
Optimized Stock
Required Options
SPADE / EFI Live Autocal v3 Required
Recommended Transmission Tuning
Why do you need TCM Tuning?
TCM Tuning is especially important for trucks with:
Towing & Performance
Warning: This product can expose you to chemicals that are known to the State of California to cause cancer. For more information, visit www.P65warnings.ca.gov