

ThunderMax Auto Tune with Wave Tune Module 309-589 fits 2018-Newer Harley M8 Softail Models with Throttle by Wire. ThunderMax with Wave Tune Auto Tune is the industry’s first and only stand-alone performance EFI management system developed specifically to meet the tuning needs of M8 Throttle-By-Wire H-D motorcycles. This highly advanced tuning system is a Electronic Control Module that replaces the factory unit and allows the user to install a wide range of performance enhancements that add-on signal modifier devices cannot properly execute. The ThunderMax with AutoTune is made in the USA and backed by a 3-year warranty. This product replaces the stock ECM and requires 18mm bung holes in the exhaust head pipe.
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