TTS has been the innovator in developing reliable performance products for over two decades. As the originator of technologically advanced engine electronics, TTS develops its products in conjunction with skilled mechanics to develop more torque and horsepower. All TTS products are carefully calibrated on dyno-testing equipment as well as real world conditions to deliver optimum performance. Cable Kit for installation of the TTS MasterTune. Required to install TTS MasterTune unit (P/N 9225 or 9226).