TCFI is a COMPLETE replacement ECU for the 2001-2016 Twin-Cam 88 Engine. Simple plug and play installation, our system utilizes all factory sensors and will even work on the a stock bike. Install the included WEGO sensors and utilize the auto tune feature of the ECU to create your tuning MAP “while you ride”. This system is great for Turbocharged engines or Max-effort engine builds with long duration camshafts. Includes Auto Tuning, Data Logging and Diagnostic software.