ThunderMax with AutoTune. Fits Dyna 2004-2011, Sportster 2010-2013, Rocker 2008-2010 & XR1200 2008-2012.

Product Details









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. ThunderMax 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!Tech Tips:- * Also fits 2009 FXSTSSE2
MFR PART No: Z309-485

ROLLIES PART No: Z309-485






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