---
product_id: 36691665
title: "ThunderMax Auto Tune 309-382 for 2012-Newer Harley Davidson Dyna Motorcycles"
brand: "thunder heart"
price: "£1062.39"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/36691665-thundermax-auto-tune-309-382-for-2012-newer-harley-davidson
store_origin: GB
region: United Kingdom
---

# ThunderMax Auto Tune 309-382 for 2012-Newer Harley Davidson Dyna Motorcycles

**Brand:** thunder heart
**Price:** £1062.39
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** ThunderMax Auto Tune 309-382 for 2012-Newer Harley Davidson Dyna Motorcycles by thunder heart
- **How much does it cost?** £1062.39 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/36691665-thundermax-auto-tune-309-382-for-2012-newer-harley-davidson)

## 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 Module 309-382 fits 2012-Newer Harley Davidson Dyna Models. ThunderMax Auto Tune is the industry’s first and only stand-alone performance EFI management system developed specifically to meet the tuning needs of Dyna H-D motorcycles. This highly advanced tuning system is a completely new 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

- 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 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 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.
- ›See more product details

## Images

![ThunderMax Auto Tune 309-382 for 2012-Newer Harley Davidson Dyna Motorcycles - Image 1](https://images-na.ssl-images-amazon.com/images/I/41gGp41wmDL.jpg)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-03*