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Hot Sale Thundermax Engine Control Module Kit With Integral Auto Tune - Touring 1020-3514 309-591 ~ Rare Item [dOszSHcv]

$44.99 $143.99 -69%

ThunderMax ECM Kit: Complete Engine Control Solution Introducing the ThunderMax Engine Control Module Kit, a comprehensive and easy-to-install solution for Harley-Davidson motorcycles. This kit includes the ThunderMax ECM with Auto-Tune Module, a plu

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Hot Sale Thundermax Engine Control Module Kit With Integral Auto Tune - Touring 1020-3514 309-591 ~ Rare Item [dOszSHcv]

ThunderMax ECM Kit: Complete Engine Control Solution

Introducing the ThunderMax Engine Control Module Kit, a comprehensive and easy-to-install solution for Harley-Davidson motorcycles. This kit includes the ThunderMax ECM with Auto-Tune Module, a plug-in harness, two wide-band sensors, and a suite of software and support. With its advanced features and user-friendly design, this kit is perfect for riders looking to enhance their motorcycle's performance and customization.

Key Features and Specifications

The ThunderMax ECM Kit boasts a range of powerful features that make it a standout choice for Harley-Davidson owners. Key features include:

  • Integrates with your bike's existing ECM and harness for seamless installation.
  • Equipped with Auto-Tune Module for optimal engine performance and fuel efficiency.
  • Features hundreds of downloadable maps for various bike models and specifications.
  • Supports live monitoring, recording, and examination of diagnostic codes and datalogs.
  • Utilizes wide-band oxygen sensors for precise air/fuel ratio control.
  • Comes with TMax software, communication USB cable, and comprehensive user's manual.

Practical Uses and Benefits

The ThunderMax ECM Kit offers numerous benefits for both daily riding and special occasions. Benefits include:

  • Improves throttle response, exhaust sound, and driveability.
  • Supports turbo, nitrous, and supercharger applications.
  • Adjustable front and rear cylinder AFR maps, ignition timing maps, and startup maps.
  • Works with all popular exhaust systems and high-performance camshafts.
  • New maps, software, firmware updates, and tech support available at no charge.
Whether you're a daily rider or a weekend warrior, the ThunderMax ECM Kit is designed to provide you with a superior riding experience. With its advanced technology and user-friendly design, this kit is a must-have for any Harley-Davidson enthusiast.

What Our Customers Say

January 17, 2026

Absolutely no complaints!

I'm so happy with this product and its purchase.

- Nerys B..

January 17, 2026

Absolutely no complaints!

So glad I went ahead with this great purchase.

- Steffan I..

January 17, 2026

Absolutely no complaints!

It’s a very fine and exceptionally great-made tool.

- Eirwen R..

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