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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
* Unique design maximizes breather volume and allows for easy serviceability
more comfortable
* Will respond well with performance exhaust and air cleaner
* Fits only Memphis Shades Road Warrior Fairings
ThunderMax with AutoTune. Fits Softail 2012-2015, Dyna 2012-2017 & Sportster 2014-2021 P007162051 * Unique design maximizes breatherThunderMax 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