Showing 1–12 of 19 results

  • Taverner Motorsports - Pigtail Harness; T/Max Gen 3 - Z309-424

    Pigtail Harness; T/Max Gen 3 in.USBin. Communication (Non-CanBus)

    $39

    This harness is ideal for Dyna, Rocker and Cross Bone applications where the ECM is not easily accessible and works with all current production Thundermax Modules.This harness allows an alternative remote port for the Thundermaxcommunication cable on bikes with limited access to the standard port.

  • Taverner Motorsports - USB>Serial Port Adapter; Thundermax - Z372-002

    USB to Serial Port Adapter – Use on Windows 8 & 8.1

    $49

    If you are using widows 8 or 8.1 you will need to get a Sabrent Cable Adaptor, model # M2100-TMAX. This adaptor is made to work with windows 8 operating systems.

  • Taverner Motorsports - Thundermax; w/AutoTune S/Tail'21up - Z309-592

    ThunderMax with AutoTune. Fits Softail 2021-2024

    $1,786

    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…

  • Taverner Motorsports - Thundermax; w/AutoTune S/Tail'18-20 - Z309-589

    ThunderMax with AutoTune. Fits Softail 2018-2020.

    $1,786

    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…

  • Taverner Motorsports - Thundermax; w/AutoTune S/Tail'12-15 - Z309-382

    ThunderMax with AutoTune. Fits Softail 2012-2015, Dyna 2012-2017 & Sportster 2014-2021

    $1,786

    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…

  • Taverner Motorsports - Thundermax; w/AutoTune S/Tail'01-10 - Z309-460

    ThunderMax with AutoTune. Fits Softail 2001-2010, Touring 2002-2007 & Sportster 2007-2009.

    $1,786

    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…

  • ThunderMax with AutoTune. Fits Street Glide & Road Glide 2024up & CVO Road Glide ST 2024up

    $1,786

    CURRENTLY ONLY FITS NON-VVT MODELSThunderMax 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…

  • Taverner Motorsports - O2 Sensor; 18mm

    18mm Wide Band O2 Sensor. Fits all ThunderMax Modules.

    $257

    * Replacement Wide Band Oxygen Sensor* ThunderMax replacement oxygen sensor for all ThunderMax EFI with AutoTune modules* Fits front or rear – sold each

  • Taverner Motorsports - Cable; T/Max Gen2 Communication - Z309-322

    Cable; T/Max Communication 12ft Serial Port

    $67

    Twice the length of the standard ThunderMax Communication Cable, this 12 foot long version allows for module programming from a distance.Serial Port communication cables fit ThunderMax® models listed below, and require a serial port on your computer or a USB-to-Serial Cable Adapter (#372-000).#309-360: 2001-2010 Softail®, 2002-2007 Touring Models#309-364: 2008-2012 XR1200® Models#309-365: 2007-2009 XL® Sportster® Models…

  • Taverner Motorsports - Thundermax; w/AutoTune FXD'04-11 & - Z309-485

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

    $1,786

    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…

  • Taverner Motorsports - Thundermax;w/AutoTune S/Tail'11ONLY - Z309-361

    ThunderMax with AutoTune. Fits Softail 2011 Only

    $1,786

    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…

  • Taverner Motorsports - Thundermax; w/AutoTune V-Rod'02-17 - Z309-466

    ThunderMax with AutoTune. Fits V-Rod 2002-2017

    $1,786

    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…