---
product_id: 477468873
title: "Thunder Heart Performance Thundermax ECM with Integral Auto Tune System 309588"
brand: "thunder heart"
price: "₩5141650"
currency: KRW
in_stock: true
url: https://www.desertcart.kr/products/477468873-thunder-heart-performance-thundermax-ecm-with-integral-auto-tune-system
store_origin: KR
region: South Korea
---

# Self-adjusting system Easy installation Comprehensive support Thunder Heart Performance Thundermax ECM with Integral Auto Tune System 309588

**Brand:** thunder heart
**Price:** ₩5141650
**Availability:** ✅ In Stock

## Summary

> ⚡ Tune in to the Thunder! Unleash your ride's full potential.

## Quick Answers

- **What is this?** Thunder Heart Performance Thundermax ECM with Integral Auto Tune System 309588 by thunder heart
- **How much does it cost?** ₩5141650 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/477468873-thunder-heart-performance-thundermax-ecm-with-integral-auto-tune-system)

## Best For

- thunder heart enthusiasts

## Why This Product

- Trusted thunder heart brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ongoing Support:** Enjoy free software updates and dedicated technical support.
- • **Precision Tuning:** Utilizes wide band O2 sensors for optimal air/fuel ratio in all conditions.
- • **User-Friendly Setup:** Includes everything you need for a quick and easy installation.
- • **Seamless Integration:** Replace your factory ECM effortlessly with the ThunderMax ECM.
- • **Endless Customization:** Access hundreds of downloadable maps tailored for your bike.

## Overview

The Thunder Heart Performance Thundermax ECM with Integral Auto Tune System 309588 is a cutting-edge engine control module designed for motorcycle enthusiasts. It replaces the factory ECM, featuring a self-adjusting closed-loop control system that optimizes air/fuel ratios using wide band O2 sensors. The package includes a plug-in harness, two sensors, TMax software, and comprehensive support, making it easy to install and customize your ride.

## Description

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 a closed-loop control system to continuously self-adjust and properly tune the motorcycles air/fuel ratio for all riding conditions Easy installation: replace the factory ECM, install new O2 sensors and harness, load the correct map for your bike, and ride 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 Users Manual, technical support and free software and updates Hundreds of maps available to download for your bike. Load the map of your choice and the integral auto-tune will do the rest Improves throttle response, exhaust sound and driveability Does not require dyno tuning Rider can adjust idle speed, rev limit and speedometer calibration Adjustable front and rear cylinder AFR maps, ignition timing spark maps, and startup maps Works with all popular exhaust systems and is compatible with high-performance camshafts Supports nitrous and supercharger applications Software program allows live monitoring, recording and examination of diagnostic codes and datalogs including number of starts, engine temperature and rpm operation New maps, software, firmware updates, map analysis and tech support available online at no charge Made in the USA MANUFACTURERS NOTE: Because of possible clearance issues, some aftermarket exhaust systems may require modifications or relocation of their O2 sensor port bungs. MANUFACTURERS NOTE: Legal in California only for racing vehicles which may never be used upon a highway. Some products may not be legal for sale or use on pollution-controlled vehicles; check your local laws and the manufacturers information. Because of possible clearance issues, some aftermarket exhaust systems may require mo

## Features

- 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 a closed-loop control system to continuously self-adjust and properly tune the motorcycles air/fuel ratio for all riding conditions
- Easy installation: replace the factory ECM, install new O2 sensors and harness, load the correct map for your bike, and ride
- 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 Users Manual, technical support and free software and updates
- Hundreds of maps available to download for your bike. Load the map of your choice and the integral auto-tune will do the rest

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0725FJGLV |
| Brand | Thunder Heart |
| Brand Name | Thunder Heart |
| Colour | Black |
| Included Components | ThunderMax ECM with Auto-Tune Module, Plug-in Harness, Two Wide-Band Sensors, TMax Software and Communication USB Cable, Quick-Start Easy Install Manual, Comprehensive Users Manual, Technical Support, Hundreds of Maps for Download |
| Included components | ThunderMax ECM with Auto-Tune Module, Plug-in Harness, Two Wide-Band Sensors, TMax Software and Communication USB Cable, Quick-Start Easy Install Manual, Comprehensive Users Manual, Technical Support, Hundreds of Maps for Download Included components ThunderMax ECM with Auto-Tune Module, Plug-in Harness, Two Wide-Band Sensors, TMax Software and Communication USB Cable, Quick-Start Easy Install Manual, Comprehensive Users Manual, Technical Support, Hundreds of Maps for Download See more |
| Item Weight | 19.8 Pounds |
| Item weight | 19.8 Pounds |
| Manufacturer | Thunder Heart Performance |
| Material | Metal |
| Material Type | Metal |
| Model Name | Thundermax ECM with Integral Auto Tune S |
| Style | Riding |

## Product Details

- **Brand:** Thunder Heart
- **Colour:** Black
- **Item weight:** 19.8 Pounds
- **Material:** Metal
- **Style:** Riding

## Images

![Thunder Heart Performance Thundermax ECM with Integral Auto Tune System 309588 - Image 1](https://m.media-amazon.com/images/I/81XSl-Rp8xL.jpg)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-02-21*