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ThunderMax®

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  1. Be the first to review this product

    $14.99
    Caps for plugging 12mm oxygen sensors bungs in 2010 and later Touring, 2012 and later Dyna® and Softail® exhaust systems. Sold in pairs with gaskets.
  2. Starting at $0.00
    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 specificly designed to interface with wide-band oxygen sensors to automaticly adjust a wide range throttle positions and RPM ranges to deliver unmatched performance and driveability like no other product in the industry. ThunderMax® is made in the USA and 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! In compliance with ARB emissions laws, this product is not sold or shipped to California.
  3. Be the first to review this product

    $34.95
    The ThunderMax® AutoTune gets its power and communicates to the ECM through the motorcycle’s factory data port plug. This ‘Y’ harness allows the AutoTune module to be plugged in with an additional plug remaining open for other tasks. Not applicable for 2008-up Touring, 2011-Later Softail®, and 2012-Later Dyna® models.
  4. Be the first to review this product

    As low as: $899.95

    ARB E.O. #'s D-644, K-001, K-001-1, K-001-2. K-001-3 ThunderMax® 50 is the most powerful, cost effective, EPA-compliant tuning device in the industry! ThunderMax® 50 provides excellent performance while meeting the tough emissions standards of California Air Resources Board. With its intelligent design, ThunderMax® 50 is continually tuning the engine, adjusting all points of the base map to meet the Air/Fuel targets. Wide-Band sensors provide feedback to the ThunderMax® AutoTune module for automatic AFR adjustments. This proven system provides excellent performance under any riding conditions. ThunderMax® 50 is the one that WORKS!
  5. Be the first to review this product

    $7.80
    For exhaust systems without installed oxygen sensor bungs. Drill pipe and weld in. Sold each, two required.
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