ThunderMax for 2018 H-D Softails

ThunderMax has released a performance ECM for the all the new 2018 Softail.  The $989.00 ECM replacement tuner gives you full control of your bike unlike “flash” or “piggy-back” systems. State of the art WideBand O2 sensors constantly read exhaust data and tune your bike on the fly. No more heat issues because the bike is running too lean. The ThunderMax ECM cools the engine while providing more horsepower and torque. ThunderMax is available for all EFI Harley-Davidson® motorcycles. 

For more information about the full line of ThunderMax products please visit: 

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