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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
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AGM construction offers a formidable blend of power
Choice of size
2014 - FLSTC Softail Heritage Classic
requires less voltage
ThunderMax Fuel Tuner for 2017-2020 Harley-Davidson Touring Big Twin Lighting (Light) or damaged Gift Cards willThunderMax Fuel Tuner for 2017 2020 Harley Davidson Touring Looking for a do it all tuner? The ThunderMax is innovative because it's not a traditional tunerit's a complete ECM! Kit includes ThunderMax ECM with Auto Tune Module Plug and play harnesses Two wideband oxygen sensors ThunderMax software and communication USB cable Instructions Can benefit from dyno tuning, but it's not required if you choose to allow your ThunderMax to "learn" the correct
