Shop
Ecm Autotune21- Softl
Part # 1020-3515
$1088.95
NY: 20+
National: 20+
- —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
Calculated shipping at checkout
30-day returns on unused parts
Ships in 1–3 business days
Specifications
Color/FinishBlack
UnitsKit
ProgrammingDownloadable Maps
ModelThunderMax
Base ColorBlack
FeaturesClosed Loop
FeaturesIncludes Oxygen Sensor
Product NameEngine Control Unit
ProgrammingAutotune
Riding StyleStreet
TypeAir/Fuel Ratio
Weight2.6 lbs
Dimensions (L x W x H)11" x 9.5" x 2.75"
Fits These Vehicles (31)
FXBBS Street Bob 1142024
FXLRST Low Rider ST 1172024
FLHCS Heritage Classic 1142024
FLFBS Fat Boy 1142024
FXLRS Low Rider S 1172024
FXST Softail Standard 1072024
FXLRS Low Rider S 1172023
FLHCS Heritage Classic 1142023
FXBBS Street Bob 1142023
FXBR Breakout 1172023
FLFBS Fat Boy 1142023
FXST Softail Standard 1072023
FXFBS Fat Bob 1142023
FXLRST Low Rider ST 1172023
FXBBS Street Bob 1142022
FLHCS Heritage Classic 1142022
FXLRST Low Rider ST 1172022
FXST Softail Standard 1072022
FLFBS Fat Boy 1142022
Softail Street Bob FXBB2022
FXLRS Low Rider S 1172022
FXRST Low Rider El Diablo 1172022
FXLRS Low Rider S 1142021
FXST Softail Standard 1072021
FLFBS Fat Boy 1142021
FLSB Sport Glide 1072021
FLSL Softail Slim 1072021
FLHCS Heritage Classic 1142021
FXBBS Street Bob 1142021
FLHC Heritage Classic 1072021
FXFBS Fat Bob 1142021
Not sure it fits? Call our Harley techs at 607-654-7431.

















