Thundermax

Micro Harness Controller Kit Billet 6061 T-6 aluminum housing and 7' trim-to-fit wiring design is compact and easily hidden on custom motorcycles Perform all fuse, relay (includes starter relay) and...

Micro Harness Controller Kit Billet 6061 T-6 aluminum housing and 7' trim-to-fit wiring design is compact and easily hidden on custom motorcycles Perform all fuse, relay (includes starter relay) and...

Electronic Harness Controller Compact design makes it easy to hide on a custom motorcycle Performs all fuse, relay and signal-canceling functions in one simple package Allows a dual-filament bulb to...

ECM with Integral Auto Tune System ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness Utilizes wide-band O² sensors and works as...

ECM with Integral Auto Tune System ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness Utilizes wide-band O² sensors and works as...

ECM with Integral Auto Tune System ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness Utilizes wide-band O² sensors and works as...

ECM Autotune Module Easy to Install amp; Simple to Use Increased Engine Performance amp; Motorcycle Rideability Cooler, Smoother Running Engine Adjustable Idle Speed amp; Rev Limit Control No Dyno...

ECM with Integral Auto Tune System Kit ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness Utilizes wide-band O² sensors and...

ECM with Integral Auto Tune System ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness Utilizes wide-band O² sensors and works as...

ECM with Integral Auto Tune System ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness Utilizes wide-band O² sensors and works as...

ECM with Integral Auto Tune System ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness Utilizes wide-band O² sensors and works as...

ECM with Integral Auto Tune System ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness Utilizes wide-band O² sensors and works as...

Pigtail Harness Allows a second port for the communication cable connection to the ThunderMax It is installed to the bike's wiring harness at the 36-pin ECM connector (connection requires harness plug...

ECM with Integral Auto Tune System ThunderMax ECM with Auto-Tune module mounts conveniently in place of the factory ECM and plugs in to the existing harness Utilizes wide-band O² sensors and works as...

Pigtail Harness Allows a second port for the communication cable connection to the ThunderMax It is installed to the bike's wiring harness at the 36-pin ECM connector (connection requires harness plug...

Push-Button Converter Convenient way to wire up push-button hand control switches Takes momentary signal from a push-button hand control switch and converts it to a standard "latching" signal Design...

ECM Oxygen Sensor Easy installation: replace the factory ECM, install new O² sensors and harness, load the correct map for your bike, and ride Does not require dyno tuning New maps, software...