#309-604 Thundermax® With Wide Band Autotune for 2024 Road Glide

The new 309-605 ThunderMax® system for Center Cooled Engines works with or without VVT equipped engines with Center Cooled Head Engines.

This highly advanced, stand-alone tuning system utilizes proprietary Autotune technology specifically designed to interface with wide-band oxygen sensors to correct abnormal A/F readings over a wide range of throttle positions and RPM ranges to prevent over rich or lean conditions.

ThunderMax® is made in the USA and comes assembled, no wire-cutting or splicing required to install. Replaces factory ECM with narrow band oxygen sensors.

*Supports RDRS function
* Fits all 23.5 and Up Center Cooled Engines

Not legal for sale or use in California on any pollution controlled motor vehicle.
Not legal for sale or use on any EPA pollution controlled motor vehicle.