• ThunderMAX Performance Auto Tuner
V-Rod ThunderMAX Performance Auto Tuner

ThunderMax ECM with AutoTune Closed Loop System for 2002 & UP V-Rod® H-D® Models 

As most know, anytime that exhaust or air filter changes are made to a fuel injected bike a tune or remap is required to insure that the bike will maintain fuel economy, performance, and most of all engine safety. If these changes are not made you run the risks of having the bike run too lean or too rich which can potentially can cause engine issues.


Easiest Aftermarket System to Use
Engines Run Cooler & Accelerate Better in Any Ambient Condition
Best Fuel Mileage & Outstanding Performance
Highest Level of Customer Satisfaction
3 Year Warranty

The ThunderMax with Auto Tune system is available for V-Rod Engines. ThunderMax gives you a perfectly tuned engine under all ambient conditions, dramatically improving performance, drivability and fuel mileage for any exhaust system. The ThunderMax AutoTune module analyzes the air/fuel ratio read by two wide-band oxygen sensors and makes any necessary adjustments. With every tank of fuel, at any temperature or elevation, your engines’ tune is optimized by ThunderMax! 
Would you like to have full control of your EFI system, with the freedom to make adjustments? The ThunderMax for V-Rod models is purpose-built to deliver uncompromising performance. Installation is a straightforward replacement of the factory module and oxygen sensors*. 
Using the supplied SmartLink software and communication cable, you can load a map and go riding, and adjust or monitor virtually every parameter of the system. 
Features Include:
Select Closed Loop AFR/RPM Targets
Adjust Idle Speed RPM
Adjustable Rev Limit
Adjustable Igniting Timing
Automatic IAC Calibration
Speedometer Calibration
Decel Pop Control
Read Diagnostic Codes
Running Statistics / Logs
Accel Pump Simulation
Start Fuel Pulse
Engine Temp Alarm
Injector Size Compensation
Live Engine Tuning
Live Monitoring / Recording
Map Analysis Feature
Digital Tech Compatible  
Boost Compatible
Specific Racing Settings
Warm-up Settings
One-Button Support
Three Year Warranty
ThunderMax software, firmware and map updates are free and accessible 24/7 with an Internet connection. You’re only a mouse-click away from the latest available data and product support! Dyno Tuners can access Advanced User SmartLink software that allows full custom mapping. The ThunderMax is designed and manufactured in the USA and backed by a 3-year warranty!  
Highly refined maps included with the SmartLink software disc. Easily choose the best map for your application, minimizing tuning time for most configurations. 
*Requires exhaust system equipped for or modified for use with oxygen sensors 
IMPORTANT EXHAUST NOTE: 2002-2007 have no Bungs so if your using Stock Pipes this Tuner will NOT WORK!
2008-2011 Come with 18mm Bungs, 2012 & up 12mm Bungs, if you have a 2012 or newer, you will need to change your headers to accomodate the 18mm O2 sensors that come with this Tuner.
You need to let us know what pipes you have or if your ordering pipes from us or another source that you have the correct bungs in them or you'll be sending this back and there's a "Re-Stocking Fee"!
Legal in California only for racing vehicles which may never be used upon a highway.  
View the ThunderMax for V-Rod Install Manual CLICK HERE
No Maps are Needed the System is Constantly Adjusting your Engine!
NOTICE: Not legal for sale or use in States where emission laws apply.
2002 & Up V-Rods 

US Shipping
International Shipping is around $48.00
Purchase the Exhaust or Air Filter and we'll Combine Shipping and Refund the Overcharge after we ship!

ThunderMAX Performance Auto Tuner

  • Product Code: ThunderMAX Performance Auto Tuner
  • Availability: Pre-Order
  • $919.99

Available Options