Does anyone know the difference between 2017 and 2018 Sidewinder ECU

I know on the Vipers the ECU's were different on xtx/btx/mtx models compared to rtx and ltx models with difference being in the speed calibration due to different sized drivers. I'm guessing the Sidewinders are the same. Just something to keep in mind.
 
Babbittsonline, $367.90 for a 2018 Sidewinder RTX LE ECU.
 


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