---
product_id: 116751856
title: "ThunderMax Autotune 309-589 for 2018-Newer Harley M8 Softail Motorcycles Free Mapping!"
brand: "thunder heart"
price: "62535035₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/116751856-thundermax-autotune-309-589-for-2018-newer-harley-m8-softail
store_origin: VN
region: Vietnam
---

# ThunderMax Autotune 309-589 for 2018-Newer Harley M8 Softail Motorcycles Free Mapping!

**Brand:** thunder heart
**Price:** 62535035₫
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** ThunderMax Autotune 309-589 for 2018-Newer Harley M8 Softail Motorcycles Free Mapping! by thunder heart
- **How much does it cost?** 62535035₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/116751856-thundermax-autotune-309-589-for-2018-newer-harley-m8-softail)

## 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

## Description

ThunderMax Auto Tune with Wave Tune Module 309-589 fits 2018-Newer Harley M8 Softail Models with Throttle by Wire. ThunderMax with Wave Tune Auto Tune is the industry’s first and only stand-alone performance EFI management system developed specifically to meet the tuning needs of M8 Throttle-By-Wire H-D motorcycles. This highly advanced tuning system is a Electronic Control Module that replaces the factory unit and allows the user to install a wide range of performance enhancements that add-on signal modifier devices cannot properly execute. The ThunderMax with AutoTune is made in the USA and backed by a 3-year warranty. This product replaces the stock ECM and requires 18mm bung holes in the exhaust head pipe.

## Features

- Make sure this fits by entering your model number.
- ThunderMax with AutoTune is the industry’s first and only stand-alone Performance EFI Engine Management System developed specifically to meet the tuning needs of Throttle-By-Wire H-D motorcycle owners. This highly advanced tuning system allows the user to support a wide range of performance upgrades with ease.
- The all new ThunderMax AutoTune TBW module includes all of the great performance enhancements that made the brand famous – with benefits you’ll notice immediately, including quicker throttle response, increased power and cooler operating temperatures.
- The ThunderMax with AutoTune is a Wide-Band, Closed-Loop system which means it continually and automatically adjusts your air-fuel ratios every time you ride, regardless of changes in ambient conditions. All you have to do is ride and enjoy!
- The ThunderMax System can never be out grown... Change pipes, add cams, whatever! Just download a new map. ThunderMax software, firmware and map updates are accessible 24/7 with an internet connection.

## Images

![ThunderMax Autotune 309-589 for 2018-Newer Harley M8 Softail Motorcycles Free Mapping! - Image 1](https://m.media-amazon.com/images/I/41tBCx0Kc9L.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.vn/products/116751856-thundermax-autotune-309-589-for-2018-newer-harley-m8-softail](https://www.desertcart.vn/products/116751856-thundermax-autotune-309-589-for-2018-newer-harley-m8-softail)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-24*