---
product_id: 10561227
title: "Superchips 2855 Flashpaq for GM Duramax 3500 Truck LB7, LLY, LBZ and LMM Diesel 6.6L"
brand: "superchips"
price: "$12.85"
currency: USD
in_stock: false
reviews_count: 8
url: https://www.desertcart.us/products/10561227-superchips-2855-flashpaq-for-gm-duramax-3500-truck-lb7-lly
store_origin: US
region: United States of America
---

# Read & clear diagnostic codes Industry-leading horsepower gains Complete drivetrain tuning Superchips 2855 Flashpaq for GM Duramax 3500 Truck LB7, LLY, LBZ and LMM Diesel 6.6L

**Brand:** superchips
**Price:** $12.85
**Availability:** ❌ Out of Stock

## Summary

> 🚚 Elevate Your Ride: Tune In, Power Up!

## Quick Answers

- **What is this?** Superchips 2855 Flashpaq for GM Duramax 3500 Truck LB7, LLY, LBZ and LMM Diesel 6.6L by superchips
- **How much does it cost?** $12.85 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/10561227-superchips-2855-flashpaq-for-gm-duramax-3500-truck-lb7-lly)

## Best For

- superchips enthusiasts

## Why This Product

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

## Key Features

- • **Diagnostic Mastery:** Stay ahead of the game by reading and clearing diagnostic trouble codes effortlessly.
- • **Unleash Your Power:** Transform your GM Duramax with tailored performance tunes for heavy towing and fuel efficiency.
- • **Lightweight & Compact:** Weighing only 12.8 ounces, this device is designed for easy handling and storage.
- • **Precision Calibration:** Easily adjust speedometer settings for axle gear and tire size changes from 26 to 38 inches.
- • **Torque & Horsepower Boost:** Experience significant gains in horsepower and torque for an exhilarating drive.

## Overview

The Superchips 2855 Flashpaq is a cutting-edge tuning device designed for GM Duramax 3500 trucks from 2001 to 2010. It offers complete drivetrain tuning, enhancing performance, towing capacity, and fuel economy. With features like speedometer calibration for various tire sizes and the ability to read and clear diagnostic trouble codes, this compact device is essential for any serious truck enthusiast.

## Description

The Flashorsepoweraq performance tuner is the best selling handheld tuner in the industry. The success of the tuner is due to its quality, innovation and performance results. The GM diesel Flashorsepoweraq delivers more to the wheels power than other popular tuners all while eliminating common problems found in the other products. The results for your Duramax powered truck are legendary and the features list lengthy including multiple power levels and a variety of user tunable options for the 6.6L LMM, LBZ, LLY and LB7 engines. The first time you get behind the wheel you will notice improved throttle response, high-end drivability and outstanding power gains.

## Features

- Complete drivetrain tuning for your 2001 - 2010 GM Duramax
- Performance, heavy load towing and fuel economy tunes included
- Speedometer calibration for axle gear and tire size changes from 26 inch - 38 inch
- Industry leading horsepower and torque gains
- Read and clear diagnostic trouble codes

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Superchips |
| Brand | Superchips |
| Item Weight | 12.8 ounces |
| Product Dimensions | 6 x 6 x 5.5 inches |
| Item model number | 2855 |
| Is Discontinued By Manufacturer | Yes |
| Manufacturer Part Number | 2855 |
| OEM Part Number | 2855 |

## Images

![Superchips 2855 Flashpaq for GM Duramax 3500 Truck LB7, LLY, LBZ and LMM Diesel 6.6L - Image 1](https://m.media-amazon.com/images/I/71VwCwq95YL.jpg)

## Customer Reviews

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    but the software works great.
  

*by M***R on Reviewed in the United States on April 10, 2015*

This one had some Spanish languish mixed with English, but the software works great.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Fantisic!!!
  

*by R***F on Reviewed in the United States on March 6, 2013*

Install this in my 2006 Silverado 2500HD and what a difference in performance.  I only installed the tow setting for better towing and mileage.

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    I notice a good power increase
  

*by R***O on Reviewed in the United States on July 11, 2015*

I notice a good power increase.  Installation was easy.  No noticeable mileage increase yet.  But i've only used one tank.

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**Shop now:** [https://www.desertcart.us/products/10561227-superchips-2855-flashpaq-for-gm-duramax-3500-truck-lb7-lly](https://www.desertcart.us/products/10561227-superchips-2855-flashpaq-for-gm-duramax-3500-truck-lb7-lly)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-25*