Through Dynateks Fuel Injection Controller; the fuel circuits on current vehicles can be modified both richer and leaner than stock as much as +250% to -100% in any particular area of the power spread. Also; up to 3 pre-programmed Fuel Curve Maps are adjusted to your preference. - Uses OEM style connectors and high quality wiring harnesses. - Small; lightweight and Easy-to-Fit on the bike. - Pre-programmed with FI Controller Fuel Curve Maps specific to make and model. - No computer necessary for modifying fuel management. - Fully adjustable computer compatibility for ultimate tuning and personalization. - Software is compatible with Dynojet''s Power Commander Maps; so you can download Power Commander Maps to the FI Controller. - Only available with USB equipped models; older model FI Controller only have -100%/+100% fuel adjustability with all changes made by adjusting the potentiometers. Note: Computing Power for USB equipped models only. For racers and riders looking for the ultimate in precise adjustment and fuel map customization and creation; Dynatek''s Control Center Software allows PC-based Fuel Curve map creation at 250-RPM increments and 10 different throttle positions. Modification parameters vary upon make and model of machine and fuel changes made in these increments are automatically interpolated between the RPM and throttle position ranges ensuring a smooth final power curve.