Dennis Kirk Inc.
Legendary Service... Ask Your Friends - Since 1969
Need Assistance?
Over 150K Powersport Items - In-Stock and ready to ship today! View tires, apparel, helmets, exhaust and more!

ThunderMax Thundermax ECM With Integral Auto Tune System - 309-380

  • Part #: 2001234
  • Manufacturer Part #: 309-380
This item is no longer available

Overview of ThunderMax Thundermax ECM With Integral Auto Tune System - 309-380

  • Improves throttle response, exhaust sound and driveability with no dyno time required
  • ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness
  • Uses the wide band O2 sensors and works as a closed-loop control system to continuously self-adjust and properly tune the motorcycle's air/fuel ratio for all riding conditions
  • Easy installation - replace the factory ECM, install new O2 sensors and harness, load the correct map for your bike, and ride
  • 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
  • Hundreds of maps available to download for your bike (based on model, engine size, exhaust system air cleaner, pistons, cams, etc.) - load the map of your choice and the integral auto-tune will do the rest
  • Rider can adjust idle speed, rev limit and speedometer calibration
  • Adjustable front and rear cylinder AFR maps, ignition timing (spark) maps, and startup maps
  • Works with all popular exhaust systems and is compatible with high-performance camshafts
  • Supports nitrous and supercharger applications
  • Software program allows live monitoring, recording and examination of diagnostic codes and datalogs including number of starts, engine temperature and rpm operation
  • New maps, software, firmware updates, map analysis and tech support available online at no charge
  • Made in the U.S.A.


NOTE: Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their O2 sensor port bungs.

NOTE: Legal in California only for racing vehicles, which may never be used upon a highway. Some products may not be legal for sale or use on pollution-controlled vehicles; check your local laws and the manufacturer's information.

Included Items:
(1) EFI module
(2) 18mm oxygen sensors with wire harness
(1) Wire harness
(1) 70 1/2 in. USB cord
(1) Tube dielectric grease
(12) Black tie straps
(1) Software CD

Specs for ThunderMax Thundermax ECM With Integral Auto Tune System - 309-380

Type Fuel Injection Module
Units Each
Weight 2.10 lbs

Specs for ThunderMax Thundermax ECM With Integral Auto Tune System - 309-380

Type Fuel Injection Module
Units Each
Weight 2.10 lbs

Fitment for ThunderMax Thundermax ECM With Integral Auto Tune System - 309-380

See if this part fits your ride

Part 2001234 fits the following machines

Harley-Davidson
  • 2016 Harley-Davidson Dyna Fat Bob - FXDF
  • 2015 Harley-Davidson Dyna Fat Bob - FXDF
  • 2014 Harley-Davidson Dyna Fat Bob - FXDF
  • 2013 Harley-Davidson Dyna Fat Bob - FXDF
  • 2012 Harley-Davidson Dyna Fat Bob - FXDF
  • 2016 Harley-Davidson Dyna Low Rider - FXDL
  • 2015 Harley-Davidson Dyna Low Rider - FXDL
  • 2014 Harley-Davidson Dyna Low Rider - FXDL
  • 2016 Harley-Davidson Dyna Street Bob - FXDB
  • 2015 Harley-Davidson Dyna Street Bob - FXDB
  • 2014 Harley-Davidson Dyna Street Bob - FXDB
  • 2013 Harley-Davidson Dyna Street Bob - FXDB
  • 2012 Harley-Davidson Dyna Street Bob - FXDB
  • 2014 Harley-Davidson Dyna Super Glide Custom - FXDC
  • 2013 Harley-Davidson Dyna Super Glide Custom - FXDC
  • 2012 Harley-Davidson Dyna Super Glide Custom - FXDC
  • 2016 Harley-Davidson Dyna Switchback - FLD
  • 2015 Harley-Davidson Dyna Switchback - FLD
  • 2014 Harley-Davidson Dyna Switchback - FLD
  • 2013 Harley-Davidson Dyna Switchback - FLD
  • 2012 Harley-Davidson Dyna Switchback - FLD
  • 2016 Harley-Davidson Dyna Wide Glide - FXDWG
  • 2015 Harley-Davidson Dyna Wide Glide - FXDWG
  • 2014 Harley-Davidson Dyna Wide Glide - FXDWG
  • 2013 Harley-Davidson Dyna Wide Glide - FXDWG
  • 2012 Harley-Davidson Dyna Wide Glide - FXDWG
  • 2015 Harley-Davidson Heritage Softail Classic - FLSTC
  • 2014 Harley-Davidson Heritage Softail Classic - FLSTC
  • 2013 Harley-Davidson Heritage Softail Classic - FLSTC
  • 2012 Harley-Davidson Heritage Softail Classic - FLSTC
  • 2016 Harley-Davidson Low Rider S - FXDLS
  • 2013 Harley-Davidson Softail Blackline - FXS
  • 2012 Harley-Davidson Softail Blackline - FXS
  • 2015 Harley-Davidson Softail Breakout - FXSB
  • 2014 Harley-Davidson Softail Breakout - FXSB
  • 2013 Harley-Davidson Softail Breakout - FXSB
  • 2015 Harley-Davidson Softail Deluxe - FLSTN
  • 2014 Harley-Davidson Softail Deluxe - FLSTN
  • 2013 Harley-Davidson Softail Deluxe - FLSTN
  • 2012 Harley-Davidson Softail Deluxe - FLSTN
  • 2015 Harley-Davidson Softail Fat Boy - FLSTF
  • 2014 Harley-Davidson Softail Fat Boy - FLSTF
  • 2013 Harley-Davidson Softail Fat Boy - FLSTF
  • 2012 Harley-Davidson Softail Fat Boy - FLSTF
  • 2015 Harley-Davidson Softail Fat Boy Lo - FLSTFB
  • 2014 Harley-Davidson Softail Fat Boy Lo - FLSTFB
  • 2013 Harley-Davidson Softail Fat Boy Lo - FLSTFB
  • 2012 Harley-Davidson Softail Fat Boy Lo - FLSTFB
  • 2015 Harley-Davidson Softail Slim - FLS
  • 2014 Harley-Davidson Softail Slim - FLS
  • 2013 Harley-Davidson Softail Slim - FLS
  • 2012 Harley-Davidson Softail Slim - FLS
Loading reviews, please wait...

Instructions and Manuals for ThunderMax Thundermax ECM With Integral Auto Tune System - 309-380