I've looked into these, not sure how totally reliable it is. Kona tell us more about your experience with this. Aussie, sounds like a good solution for you since you change pipes every month

TERRY TERMINAL VELOCITY II™ “ALPHA N” CLOSED-LOOP EFI
Closed-loop system programs the fuel injection system while you ride.
No wrenching, no dyno tuning, no need for constant adjustments – just hook it up and go.
Increases horsepower and torque by as much as 20% along with a decrease in emissions and fuel consumption.
Works with 80”, 88”, 95”, 103”, EVO, Twin Cam and V-Rod engines.
Connects directly to the factory ECU and utilizes all the factory OEM sensors.
Fully automatic dynamic tuning with a Robust Platinum II oxygen sensor.
Coordinates the factory ECU calibration, updated calibration and race-tuned calibrations.
Coordinates the factory ignition and fuel tables by utilizing the factory preset calibration tables.
Operates using the Alpha-N rpm and throttle position method.
Over-molded, sealed, surface-mounted circuit board design.
Installs by connecting just six wires and the O2 sensor.
Made in the U.S.A.
DS1020-0215 For 95-01 models w/ Magnetti-Marelli EFI, 02-06 models w/ Delphi EFI (Does not fit 2006 Dyna) ... $476.36 including shipping*
http://www.steelthundercc.com/fuel_injection.htmlscroll down to the bottom of the page