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Description for 300 Watt
Each kit is machined entirely from forged billet aluminum to provide the best performance and style
* Well Nuts # BAI-O15-0952
no cutting or splicing is required
ThunderMax Z309-361 ThunderMax w/AutoTune for Softail 2011 Only Description for 300 WattThunderMax 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