Welcome to Fish Tuning!

New! 2018+ Cummins Bypass Cables (for use with 2018 EFILive tunes)! Also, we do custom electronics. For more information, please contact us at (310) 499-0989.

We manufacture Fish Tuning Advanced Dual (and even triple) CP3 Controllers for either Duramax or Cummins. And, in addition to our custom stickers and decals, we manufacture and sell Cummins switches (for EFILive and MM3), DSP5 (LLY, LB7, LMM/LBZ and LML), Keylock DSP5, Ford and LML switches and DSP2 switches. We also have spare parts as well as Ford (for EZ LYNK and SCT), LML and Cummins/Titan switches for EZ LYNK tunes. Fuel Injector Connectors. Coming soon: revamped DIGITAL switches!