Duramax DSP5/SOTF Switch

DP Customs Verified independent store

→

Unlock the full potential of your ECMs tuning capabilities with the DSP5/SOTF switch! These switches are designed to work in conjunction with EFI Lives's DSP5/SOTF OS and will give you 5 different positions of tuning adjustment! The switch alone does not tune, program, or adjust parameters and will not effect a factory programmed vehicle if installed. Show more