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THUNDERMAX
ThunderMax Engine Control Module Kit with Integral Auto Tune - '01-'10 Softail/Sportster/Touring
Part # 1020-1851
$1,088.95
In Stock
- 60-day returns
- Free shipping over $100
- Secure checkout
CARB Compliance: B — Not legal for sale in California
Confirmed fit for 121 motorcycle configurations across Harley-Davidson, model years 2001–2010.
| Years | Make & Model |
|---|---|
| 2004-2006 Harley-Davidson | FLHRSI Road King Custom |
| 2002-2006 Harley-Davidson | FLHRCI Road King Classic |
| 2001-2006 Harley-Davidson | FXSTDI Softail Deuce |
| 2002-2006 Harley-Davidson | FLHTCI Electra Glide Classic |
| 2001-2006 Harley-Davidson | FLSTCI Heritage Softail Classic |
| 2001-2003 Harley-Davidson | FLSTSI Heritage Springer |
| 2001-2006 Harley-Davidson | FXSTBI Night Train |
| 2001-2006 Harley-Davidson | FXSTSI Springer Softail |
| 2008-2010 Harley-Davidson | FLSTSB Cross Bones |
| 2002-2006 Harley-Davidson | FLTRI Road Glide |
| 2005-2006 Harley-Davidson | FLSTSCI Softail Springer Classic |
| 2003-2006 Harley-Davidson | FLHTI Electra Glide Standard |
| 2010 Harley-Davidson | FLSTFB Fat Boy Lo |
| 2007 Harley-Davidson | FLSTSC Softail Springer Classic |
| 2006 Harley-Davidson | FLHXI Street Glide |
| 2006 Harley-Davidson | FLSTI Heritage Softail |
| 2005-2006 Harley-Davidson | FLSTNI Softail Deluxe |
| 2007-2010 Harley-Davidson | FLSTC Heritage Softail Classic |
| 2007-2010 Harley-Davidson | FLSTF Fat Boy |
| 2007-2010 Harley-Davidson | FLSTN Softail Deluxe |
| 2007-2009 Harley-Davidson | FXSTB Night Train |
| 2007-2010 Harley-Davidson | FXSTC Softail Custom |
| 2007 Harley-Davidson | FLHR Road King |
| 2007 Harley-Davidson | FLHT Electra Glide Standard |
| 2007 Harley-Davidson | FLHTC Electra Glide Classic |
| 2007 Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 2007 Harley-Davidson | FLHX Street Glide |
| 2007 Harley-Davidson | FXSTD Softail Deuce |
| 2002-2006 Harley-Davidson | FLSTFI Fat Boy |
| 2001-2006 Harley-Davidson | FXSTI Softail Standard |
| 2007 Harley-Davidson | FLHRS Road King Custom |
| 2007 Harley-Davidson | FLTR Road Glide |
| 2007 Harley-Davidson | FXST Softail Standard |
| 2007-2009 Harley-Davidson | XL1200N Sportster 1200 Nightster |
| 2007-2008 Harley-Davidson | XL883 Sportster |
| 2007 Harley-Davidson | XL50 50th Anniversary Sportster |
| 2009 Harley-Davidson | XL883N Iron 883 |
| 2007-2009 Harley-Davidson | XL1200C Sportster 1200 Custom |
| 2007-2009 Harley-Davidson | XL883L Sportster 883 Low |
| 2007-2009 Harley-Davidson | XL883C Sportster 883 Custom |
| 2007-2009 Harley-Davidson | XL1200L Sportster 1200 Low |
| 2007-2008 Harley-Davidson | XL1200R Sportster 1200 Roadster |
| 2007 Harley-Davidson | XL883R Sportster 883 Roadster |
- 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
- Software program allows live monitoring, recording and examination of diagnostic codes and datalogs including number of starts, engine temperature and rpm operation
- Utilizes wide-band oxygen 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
- ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness
- Easy installation: replace the factory ECM, install new oxygen sensors and harness, load the correct map for your bike, and ride
- New maps, software, firmware updates, map analysis and tech support available online at no charge
- 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
- Rider can adjust idle speed, rev limit and speedometer calibration
- Improves throttle response, exhaust sound and driveability
- Supports turbo, nitrous and supercharger applications
- Does not require dyno tuning
- Made in the USA
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Overview
The THUNDERMAX 1020-1851: ThunderMax Engine Control Module Kit with Integral Auto Tune - '01-'10 Softail/Sportster/Touring. Confirmed fit for 121 motorcycle configurations across Harley-Davidson, model years 2001–2010. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.
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Fits these motorcycles
- Harley-Davidson FLHRSI Road King Custom
- Harley-Davidson FLHRCI Road King Classic
- Harley-Davidson FXSTDI Softail Deuce
- Harley-Davidson FLHTCI Electra Glide Classic
- Harley-Davidson FLSTCI Heritage Softail Classic
- Harley-Davidson FLSTSI Heritage Springer
- Harley-Davidson FXSTBI Night Train
- Harley-Davidson FXSTSI Springer Softail
- Harley-Davidson FLSTSB Cross Bones
- Harley-Davidson FLTRI Road Glide
- Harley-Davidson FLSTSCI Softail Springer Classic
- Harley-Davidson FLHTI Electra Glide Standard
- Harley-Davidson FLSTFB Fat Boy Lo
- Harley-Davidson FLSTSC Softail Springer Classic
- Harley-Davidson FLHXI Street Glide
- Harley-Davidson FLSTI Heritage Softail
- Harley-Davidson FLSTNI Softail Deluxe
- Harley-Davidson FLSTC Heritage Softail Classic
- Harley-Davidson FLSTF Fat Boy
- Harley-Davidson FLSTN Softail Deluxe
- Harley-Davidson FXSTB Night Train
- Harley-Davidson FXSTC Softail Custom
- Harley-Davidson FLHR Road King
- Harley-Davidson FLHT Electra Glide Standard