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 specifically designed to interface with wide-band oxygen sensors to automatically adjust a wide range of throttle positions and RPM ranges to deliver unmatched performance and drive-ability like no other product in the industry. ThunderMax® is made in the United States and 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!
SHIPPING: Standard Shipping is FREE in the United States. All international shipping options (UPS International & USPS International) are displayed at checkout. Be sure to consider our UPS Easy International Shipping options which allow you to pay duties and taxes up front to ensure your packages arrive quickly!
In the United States, UPS Next Day Air Saver® does not include Saturday Delivery
Remember, the shipping option you choose is the speed in which you will receive your product after it ships from our shop. Not all products can aways ship same-day as purchased, i.e. Sony bundles, Cam bundles, etc.
Our order cut-off time for products eligible for same-day shipping is 1pm EST.
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