Vortex ECU 23-26 Honda CRF450R 4-StrokeModel Specific Features Advanced Launch Control Function and Map Selection using Honda Mode Switch DTC (Dynamic Traction Control) Function activated via start switch Improved bottom end Power and throttle response Improved top end and over rev Power Ignition & Fuel Mapping for aftermarket exhaust and better performance Torque and Enduro maps for traction and throttle control Improved stall prevention Higher Rev Limits Advances Fuel Injection Timing