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PERFORMANCE AND COMFORT. ThunderMax products for fuel injected Harley-Davidson® Since 2003 ThunderMax has been the leader in tuners and programmers for EFI HD® Motorcycles. With a wide range of products for your Harley® you are sure to find the right fit for your motorcycle.
Electronic Fuel Injection (EFI) and Performance Parts for Harley Davidson and VTwin Motorcycles.
Electronic Fuel Injection (EFI) and Performance Parts for Harley Davidson and VTwin Motorcycles.
Electronic Fuel Injection (EFI) and Performance Parts for Harley Davidson and VTwin Motorcycles.
The award-winning ThunderMax is a complete, standalone performance ECM which simply is the most powerful, advanced, and user friendly electronic fuel management system available on the market today.
Thunder Heart Performance Corp, the makers of ThunderMax, Ballistic, iRIDE have been committed to being industry leaders with unmatched quality.
Feb 10, 2021 · 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.
The Thundermax Smartlink software allows adjustment of RPM Rev Limit, Idle Speed, Ignition Timing, best Target Air/Fuel Ratio as well as diagnostic codes and real-time engine data. The Thundermax is manufactured in the USA with quality components and carries a 3 year warranty.
Installation Guides. 1. PN#309-460 - Manual For '02-'07 Touring, '01-'10 Softail, and '07-'09 Sportster Models. 2. PN#309-485 - Manual For '04-'11 Dyna and '10-'13 Sportster Models. 3. PN#309-361 - Manual For 2011 Softail Models (Cable Throttle) 4. PN#309-466 - Manual For 2002-2014 V-Rod Models.
ThunderMax® is a performance ECM designed specifically for EFI equipped Harley-Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary Auto Tune technology thru wide-band oxygen sensors to deliver unmatched performance.
