02-07 Harley Davidson bagger tuner by ThunderMax ECM: The Ultimate Performance Upgrade.

Enhance Your Harley’s Performance with ThunderMax ECM

ThunderMax is an award-winning performance ECM designed specifically for EFI-equipped Harley Davidson® motorcycles. This advanced stand-alone tuning system integrates AutoTune technology and wide-band oxygen sensors to provide unparalleled performance, smooth rideability, and precise engine control. ThunderMax allows riders to easily upgrade their Harley’s fueling system for optimized performance without the need for complex modifications.

Key Features of ThunderMax ECM for Harley Davidson®

Quick and Easy Installation with No Wire Cutting

ThunderMax comes 100% pre-assembled, ready for a quick, hassle-free installation. There’s no need for wire cutting or splicing—simply replace the factory ECM and oxygen sensors, load your preferred map, and you're good to go. Whether you're a seasoned mechanic or a weekend warrior, ThunderMax’s simple installation process makes it easy for anyone to enhance their Harley’s performance.

AutoTune Technology for Real-Time Fueling Adjustments

ThunderMax utilizes AutoTune technology and wide-band O2 sensors to continuously adjust your bike’s fueling at every 1.5 degrees of throttle and 256 RPM. This provides real-time fueling adjustments for optimal performance and smoother engine operation. Whether you're cruising on the highway or navigating through city streets, ThunderMax ensures your engine runs at peak efficiency across a wide range of riding conditions.

Barometric Sensor for Consistent Fueling

The built-in barometric sensor in the ThunderMax ECM automatically compensates for ambient air changes such as altitude or weather conditions. This means your bike’s performance remains consistent regardless of your surroundings. The wide-band O2 sensors continuously monitor the air-fuel ratio, offering real-time feedback to the ECM and adjusting fueling without the need for manual intervention.

ThunderMax Tuning Software: Full Customization at Your Fingertips

Fully Adjustable Performance with ThunderMax Tuning Software

ThunderMax is fully customizable through the ThunderMax Tuning Software, allowing you to fine-tune your ECM to your specific performance needs. With this software, you can make detailed adjustments to the air-fuel ratio, ignition timing, and other critical parameters to get the most out of your Harley. Whether you're aiming for better fuel efficiency, more power, or a smoother throttle response, ThunderMax gives you complete control.

Simple Setup with Pre-Configured Basemap

For those who prefer a quick and easy setup, ThunderMax allows you to simply load a pre-configured basemap. This basemap offers a solid foundation for your bike’s fueling, delivering noticeable improvements in performance right out of the box. Once you're ready, you can dive deeper into more advanced adjustments using the ThunderMax Tuning Software.

Why Choose ThunderMax for Your Harley Davidson®?

ThunderMax offers a powerful, reliable ECM solution for riders who want to optimize their EFI Harley Davidson® motorcycle’s performance. With AutoTune technology, real-time fueling adjustments, and easy installation, ThunderMax is the ideal upgrade for riders seeking smoother performance, greater control, and better rideability.

Installation Instructions

Part Number: 309-460

Fitment

2007 FLHR Road King
2007 FLHRS Road King Custom
2007 FLHT Electra Glide Standard
2007 FLHTC Electra Glide Classic
2007 FLHTCU Electra Glide Ultra Classic
2007 FLHX Street Glide
2007 FLTR Road Glide
2006 FLHXI Street Glide
2004–2006 FLHRSI Road King Custom
2003–2006 FLHTI Electra Glide Standard
2002–2006 FLTRI Road Glide
2002–2006 FLHRCI Road King Classic
2002–2006 FLHTCI Electra Glide Classic