. ThunderMax 2017-2020 Touring® Models – Bulletproof Cycles
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ThunderMax 2017-2020 Touring® Models

ThunderMax 2017-2020 Touring® Models

Please Select Either RDRS (Traction Control) or Without RDRS (Traction Control)

*Excludes 2019-Up Trike® Models

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary AutoTune technology with wide-band oxygen sensors to deliver unmatched performance and rideability. ThunderMax comes 100% assembled, ready to install with no wire-cutting or splicing required. Simply replace the factory ECM and oxygen sensors, load a map, and enjoy your new ride!

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