Engineered with Strict Industry StandardsExtensively Tested Under Various Driving ConditionsFactory Safety Limiters RetainedOptimized Responsiveness and DrivabilityOptimized Smoothness and Driving ComfortPower Delivery Perfectly Optimized Throughout the Power BandImproved Fuel EfficiencyRPM Limiter Increased to 6800Speed Governor RemovedIgnition Timing Precisely Calibrated for Higher Octane FuelAdvanced Torque ManagementIncludes all Stage 1+ tune variants and all lower software stages as well.