Skip to content
Free shipping to the continental 48 (Alaska & Hawaii orders, call to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free shipping to the continental 48 (Alaska & Hawaii orders, call to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!

Thundermax

  • THUNDERMAX 1020-3514 309-591 ECM Autotune Module Electronically Commutated Motor with Auto Tune - Touring

    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95

    Features 2 wide-band Bosch 5-wire oxygen sensors (18 mm) with AutoTune connection harness ThunderMax quick start easy install and printable compr...

    View full details
    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95
  • THUNDERMAX 1020-1851 309-460 ECM with Integral Auto Tune System - Non-Throttle By Wire

    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95

    Features Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Qui...

    View full details
    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95
  • THUNDERMAX 1020-3515 309-592 ECM Autotune Module Electronically Commutated Motor with Auto Tune - Softail

    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95

    Features 2 wide-band Bosch 5-wire oxygen sensors (18 mm) with AutoTune connection harness ThunderMax quick start easy install and printable compr...

    View full details
    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95
  • THUNDERMAX 0713-0243 EA7000 Oil Cooler Fan

    Original price $262.95 - Original price $262.95
    Original price
    $262.95
    $262.95 - $262.95
    Current price $262.95

    Features Uses engine temp and vehicle speed to reduce heat and keep engines running cool Takes 15 minutes to install; does not require oil cooler ...

    View full details
    Original price $262.95 - Original price $262.95
    Original price
    $262.95
    $262.95 - $262.95
    Current price $262.95
  • THUNDERMAX 1020-0836 309-362 ECM with Integral Auto Tune System Module - '08-'13 FLHT

    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95

    Features Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Qui...

    View full details
    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95
  • THUNDERMAX 1020-2664 309-588 ECM with Integral Auto Tune System Kit - '17+ FLHT

    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95

    Features Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Quic...

    View full details
    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95
  • THUNDERMAX 1020-2361 309-485 ECM with Integral Auto Tune System

    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95

    Features Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Qui...

    View full details
    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95
  • THUNDERMAX 1020-2118 309-562 ECM with Integral Auto Tune System - '14-'16 FLT

    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95

    Features Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Qui...

    View full details
    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95
  • THUNDERMAX 1020-2360 309-382 ECM with Integral Auto Tune System

    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95

    Features Includes ThunderMax ECM with Auto-Tune Module, plug-in harness and two wide-band sensors, TMax software and communication USB cable, Qui...

    View full details
    Original price $1,088.95 - Original price $1,088.95
    Original price
    $1,088.95
    $1,088.95 - $1,088.95
    Current price $1,088.95