EFI Auto Tune Unit by ThunderMax

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary AutoTune technology specifically designed to interface with wide-band oxygen sensors to automatically adjust a wide range throttle positions and RPM ranges to deliver unmatched performance and drive-ability like no other product in the industry.

• No wire-cutting or splicing required
• Simply replace the factory ECM and oxygen sensors, load a map, and enjoy your new ride
• Easy to Install & Simple to Use
• Increased Engine Performance & Motorcycle Rideability
• Cooler, Smoother Running Engine
• Adjustable Idle Speed & Rev Limit Control
• No Dyno Required - Automatically Tunes for Riding Style & Riding Conditions. JUST RIDE!
  
• Never Outgrow It - Easily Accommodates Future Bike Modifications (Exhaust, Cams, Air Intake and More)
• 100% Engineered & Made in the USA
• 3-Year Factory Limited Warranty

Includes:

• ThunderMax Performance Engine Control Module (ECM)
• Two (2) Wide-Band Bosch 5-Wire Oxygen Sensors (18mm) with AutoTune Connection Harness
• USB Communication Cable
• TMax Tuner Software Disc
• ThunderMax Quick Start Easy Install and Printable Comprehensive User’s Manual

Note: Images are for reference, and may vary to fit your exhaust bike model.