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THUNDERMAX
ThunderMax Engine Control Module Kit with Integral Auto Tune - '21-'24 Touring
Part # 1020-3514
$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 54 motorcycle configurations across Harley-Davidson, model years 2021–2024.
| Years | Make & Model |
|---|---|
| 2021-2024 Harley-Davidson | FLTRK Road Glide Limited |
| 2021-2022 Harley-Davidson | FLHT Electra Glide Standard |
| 2022-2023 Harley-Davidson | FLHXST Street Glide ST |
| 2021-2023 Harley-Davidson | FLTRXS Road Glide Special |
| 2021 Harley-Davidson | FLHTKSE CVO Limited |
| 2021-2023 Harley-Davidson | FLHX Street Glide |
| 2021-2023 Harley-Davidson | FLHXS Street Glide Special |
| 2021-2024 Harley-Davidson | FLHTK Ultra Limited |
| 2021-2022 Harley-Davidson | FLHR Road King |
| 2021-2022 Harley-Davidson | FLHXSE CVO Street Glide |
| 2022 Harley-Davidson | FLTRKSE CVO Road Glide Limited |
| 2022-2023 Harley-Davidson | FLTRXST Road Glide ST |
| 2021-2024 Harley-Davidson | FLHRXS Road King Special |
| 2021-2023 Harley-Davidson | FLTRX Road Glide |
| 2021-2022 Harley-Davidson | FLTRXSE CVO Road Glide |
| 2021 Harley-Davidson | FLH Electra Glide Revival |
| 2021-2023 Harley-Davidson | Electra Glide Police FLHTPI |
| 2021-2024 Harley-Davidson | FLHTCUTG Tri Glide Ultra |
| 2021-2022 Harley-Davidson | FLHTCUTGSE CVO Tri Glide |
| 2021-2024 Harley-Davidson | FLRT Freewheeler |
| 2023-2024 Harley-Davidson | FLTRT Road Glide 3 |
- 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 1020-3514: ThunderMax Engine Control Module Kit with Integral Auto Tune - '21-'24 Touring. Confirmed fit for 54 motorcycle configurations across Harley-Davidson, model years 2021–2024. 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 FLTRK Road Glide Limited
- Harley-Davidson FLHT Electra Glide Standard
- Harley-Davidson FLHXST Street Glide ST
- Harley-Davidson FLTRXS Road Glide Special
- Harley-Davidson FLHTKSE CVO Limited
- Harley-Davidson FLHX Street Glide
- Harley-Davidson FLHXS Street Glide Special
- Harley-Davidson FLHTK Ultra Limited
- Harley-Davidson FLHR Road King
- Harley-Davidson FLHXSE CVO Street Glide
- Harley-Davidson FLTRKSE CVO Road Glide Limited
- Harley-Davidson FLTRXST Road Glide ST
- Harley-Davidson FLHRXS Road King Special
- Harley-Davidson FLTRX Road Glide
- Harley-Davidson FLTRXSE CVO Road Glide
- Harley-Davidson FLH Electra Glide Revival
- Harley-Davidson Electra Glide Police FLHTPI
- Harley-Davidson FLHTCUTG Tri Glide Ultra
- Harley-Davidson FLHTCUTGSE CVO Tri Glide
- Harley-Davidson FLRT Freewheeler
- Harley-Davidson FLTRT Road Glide 3