Welcome to FishTuning.com

Fish Tuning Advanced Dual CP3 Controllers for either Duramax or Cummins. And, in addition to our custom stickers and decals, we manufacture and sell CSP5, DSP5, DSP5 Keylock and DSP2 switches and spare parts as well as Ford, LML and Cummins switches for EZ LYNK tunes. Brand new: DIGITAL DSP5 and DIGITAL CSP5 switches!