Daytona Twin Tec Tcfi Generation 6 Fuel Injection Controller For Harley The Gen 6 Fuel Injection Controller is one of Daytona Twin Tec's advanced tuners available. This module includes everything needed to make sure to get your bike dialed in for the components you have added to your machine. You have access to make precise changes for the front and rear cylinders on a dyno or on the open road. Features: Real-time and continuing auto-tuning with monitoring, control and override capability Quickly auto-tune fuel curves for front and rear cylinders on a Dyno or on-road with Wego Iiid dual channel wide-band oxygen sensor interface Fully programmable plug-in replacement for 73 pin Delphi controller with Can data bus Robust alpha-N (throttle position and RPM based) fuel control eliminates problems with long duration/high overlap camshafts Support for gear indication on accessory speedometers Extended data logging and diagnostics DataFLASH memory stores full 60 minutes of operating data at 10 samples/second Programmable user input for functions such as two-stage rpm limiter, nitrous retard and shift kill and output Programmable user output for functions such as shift light, nitrous activation and electric shifter User-friendly PC link software with 3-D graphics and easy spreadsheet editing capabilities Billet aluminum housing with black anodized finish Easy plug-in installation Programmable user output for functions such as shift light , nitrous activation and electric shifter Note: Requires the use of an exhaust system with 18mm sensor bungs, or headpipes must be modified to accept 18mm sensors.