Thundermax ThunderMax Engine Control Unit - 309-588 For Harley Touring 2017-2020 B3 Pre-installed Back Brackets black painted

Pre-installed Back Brackets black painted

Use our Extension Arms to put your gauges &/or any of our riser accessories exactly where you want them providing you with endless possibilities with how you want your setup

Bottom clamp has an opening to accommodate hidden wiring

We sell the Red Shift 468 cam individually

25 Radial Mount that allows the uses of ARP Hardware

Thundermax ThunderMax Engine Control Unit - 309-588 For Harley Touring 2017-2020 B3 Pre-installed Back Brackets black paintedFeatures 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