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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Replaces factory harness
the GNX features the durable Guardian Black finish and is relieved for shocks up to 13
Springers are fully supported with replacement parts in stock should you ever need anything
Sold as pair
ThunderMax ECM With Integral Auto Tune System For Harley 2004-2013 Ignition Components Replaces factory harnessThunderMax ECM With Integral Auto Tune System For Harley 2004 2013 Includes ThunderMax ECM with Auto Tune Module, plug in harness and two wide band sensors, TMax software and communication USB cable, Quick Start Easy Install and Comprehensive User's Manual, technical support and free software and updates Does not require dyno tuning! Hundreds of maps available to download for your bike (based on model, engine size, exhaust system air cleaner, pistons,
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