High - Quality 2011 - 2015 LML 6.6L Duramax Downpipe Exhaust for Chevy/GMC Trucks
Stainless Steel 2011 - 2015 LML 6.6L Duramax Downpipe Exhaust Material Detail
Accessories Included with 2011 - 2015 LML 6.6L Duramax Downpipe Exhaust (Clamps & Heat Wrap)
Installed 2011 - 2015 LML 6.6L Duramax Downpipe Exhaust on Chevy/GMC Truck Showcase
High - Quality 2011 - 2015 LML 6.6L Duramax Downpipe Exhaust for Chevy/GMC Trucks
Stainless Steel 2011 - 2015 LML 6.6L Duramax Downpipe Exhaust Material Detail
Accessories Included with 2011 - 2015 LML 6.6L Duramax Downpipe Exhaust (Clamps & Heat Wrap)
Installed 2011 - 2015 LML 6.6L Duramax Downpipe Exhaust on Chevy/GMC Truck Showcase

For 2011-2015 LML 6.6L Duramax Downpipe Exhaust

$137.59
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98 in stock, ready to ship
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Details

Product Overview

The 2011 - 2015 LML 6.6L Duramax Downpipe Exhaust is a premium exhaust solution designed to take your vehicle's performance to the next level. Crafted with high - quality materials and precision engineering, this downpipe exhaust system is built to deliver exceptional results in terms of power, efficiency, and durability. Whether you're looking to enhance your truck's towing capabilities or simply want a more exhilarating driving experience, this exhaust system has got you covered.

Ideal For

This downpipe exhaust is perfect for a wide range of vehicle owners who demand the best from their trucks. It is specifically designed for:

  • 2011 - 2015 Chevrolet Silverado 2500 6.6L - Turbo Diesel LML
  • 2011 - 2015 Chevrolet Silverado 3500 6.6L - Turbo Diesel LML
  • 2011 - 2015 GMC Sierra 2500 6.6L - Turbo Diesel LML
  • 2011 - 2015 GMC Sierra 3500 6.6L - Turbo Diesel LML

Please note: that it will not fit Cab & Chassis trucks, ensuring a precise fit for the mentioned models.
Shipping Details

Ontario CA / Springdale OH / Newark NJ
Package List
  • 1 x 3" Stainless Steel Downpipe: The main component of the exhaust system, crafted from high - quality stainless steel for durability and performance.
  • 2 x Stainless Steel Hose Clamps: These clamps are used to secure the downpipe and other components in place, ensuring a tight and leak - free connection.
  • 1 x Roll of Titanium Heat Wrap: The heat wrap helps to protect surrounding components from the high temperatures generated by the exhaust system. It also improves the overall appearance of the installation.
Delivery Time

2-5 working days inland in the United States

Product details

Core Advantages

Top - Notch Material Quality

The downpipe is constructed from high - quality stainless steel, which is known for its excellent resistance to corrosion, heat, and wear. This ensures that the exhaust system remains leak - free and crack - free, even under the most demanding driving conditions. You can have peace of mind knowing that your investment will last for years to come.

High Horsepower and Torque Gains

One of the most significant advantages of this downpipe exhaust is its ability to increase horsepower and torque. By allowing for a more unrestricted flow of exhaust gases, the engine can breathe more freely, resulting in improved combustion and power output. You'll notice a significant difference in acceleration and overall performance, making your truck more responsive and powerful.

Direct Fit with No Modifications Needed

Unlike some aftermarket exhaust systems that require extensive modifications to install, this downpipe exhaust is designed for a direct fit. It seamlessly replaces the stock downpipe without the need for any cutting, welding, or other alterations. This not only saves you time and money on installation but also ensures a perfect fit and optimal performance.

Maximized Smooth Airflow

The carefully engineered design of the downpipe promotes smooth airflow through the exhaust system. This reduces backpressure, which can restrict engine performance. With reduced backpressure, the engine can operate more efficiently, resulting in improved fuel economy and reduced emissions.

Technical Specifications

  • Material: High - quality stainless steel
  • Inlet/Outlet Sizes: 3"OD / 3"OD
  • Pipe Diameter: 3.0"

    This combination of specifications is optimized for high - performance applications, ensuring that the exhaust system can handle the increased flow of exhaust gases generated by a powerful engine.

Why Choose This Downpipe Exhaust

Enhanced Engine Output and Efficiency

Improving engine output and efficiency is crucial for high - performance vehicles, and this downpipe exhaust excels in this area. By allowing for a more efficient exhaust flow, it helps the engine to perform at its best, delivering more power and better fuel economy. Whether you're using your truck for work or play, you'll appreciate the improved performance and cost savings.

Designed for High - Performance Racing Cars (and Trucks)

Although primarily designed for trucks, the unrestricted flow and high - performance design of this downpipe exhaust make it suitable for high - performance racing cars as well. If you're looking to upgrade your racing vehicle's exhaust system, this downpipe is a great choice that can help you gain a competitive edge on the track.

Specific Fit for 2011 - 2015 Chevy/GM 2500HD|3500HD Trucks w/ 6.6L Duramax LML

This downpipe exhaust is specifically tailored to fit 2011 - 2015 Chevy/GM 2500HD and 3500HD trucks equipped with the 6.6L Duramax LML engine. The V - Band style connection ensures a secure and leak - free fit, providing you with a hassle - free installation experience.

Complete Package Contents

When you purchase this downpipe exhaust, you'll receive everything you need for a complete installation:

  • 1 x 3" Stainless Steel Downpipe: The main component of the exhaust system, crafted from high - quality stainless steel for durability and performance.
  • 2 x Stainless Steel Hose Clamps: These clamps are used to secure the downpipe and other components in place, ensuring a tight and leak - free connection.
  • 1 x Roll of Titanium Heat Wrap: The heat wrap helps to protect surrounding components from the high temperatures generated by the exhaust system. It also improves the overall appearance of the installation.

Compatibility List

To ensure a proper fit, please refer to the following compatibility list:

  • 2011 - 2015 Chevrolet Silverado 2500 6.6L - Turbo Diesel LML
  • 2011 - 2015 Chevrolet Silverado 3500 6.6L - Turbo Diesel LML
  • 2011 - 2015 GMC Sierra 2500 6.6L - Turbo Diesel LML
  • 2011 - 2015 GMC Sierra 3500 6.6L - Turbo Diesel LML

Again, it is important to note that this downpipe exhaust will not fit Cab & Chassis trucks. If you have any doubts about compatibility, feel free to contact our customer support team for assistance.

  1. Dispatch Time: Orders will be shipped within 24 hours after successful payment.
  2. Delivery Time: 2-5 business days after dispatch (delivery speed depends on proximity to warehouse location).
  3. Return Window:7 days for unsatisfactory items45 days for quality-related issues
  4. Refund Processing: Refunds will be processed back to your original payment method within 2-4 business days after receiving the automated refund confirmation email (subject to bank verification).

General Product Information

What vehicles is this downpipe exhaust compatible with?

This downpipe exhaust is specifically designed for the following vehicles:

  • 2011 - 2015 Chevrolet Silverado 2500 6.6L - Turbo Diesel LML
  • 2011 - 2015 Chevrolet Silverado 3500 6.6L - Turbo Diesel LML
  • 2011 - 2015 GMC Sierra 2500 6.6L - Turbo Diesel LML
  • 2011 - 2015 GMC Sierra 3500 6.6L - Turbo Diesel LML

    Please note that it will not fit Cab & Chassis trucks.

Is this downpipe exhaust made of high - quality materials?

Absolutely. The downpipe is constructed from high - quality stainless steel. Stainless steel is well - known for its excellent resistance to corrosion, heat, and wear. This ensures that the exhaust system remains leak - free and crack - free, even under extreme driving conditions, providing you with a long - lasting and reliable product.

Installation and Fitment

Does this downpipe exhaust require any modifications for installation?

No, it doesn't. One of the major advantages of this downpipe exhaust is that it is designed for a direct fit. You can seamlessly replace the stock downpipe without the need for any cutting, welding, or other extensive modifications. This saves you both time and money on the installation process and ensures a perfect fit for optimal performance.

Are installation instructions included with the product?

While the product is designed for a relatively straightforward installation for those with basic mechanical skills, detailed installation instructions are not included in the package. However, you can easily find a wealth of installation guides and videos online specific to your vehicle model. These resources can provide step - by - step instructions and visual aids to assist you in the installation process.

What tools will I need to install this downpipe exhaust?

The exact tools required may vary slightly depending on your specific situation, but generally, you will need basic hand tools such as wrenches, sockets, and a ratchet. Additionally, having a jack and jack stands is recommended if you need to lift the vehicle to gain better access to the exhaust system for installation.

Performance Benefits

How does this downpipe exhaust improve horsepower and torque?

This downpipe exhaust improves horsepower and torque by allowing for a more unrestricted flow of exhaust gases. When the exhaust gases can flow more freely through the system, the engine can breathe more easily. This leads to improved combustion efficiency, which in turn results in increased power output. You'll notice a significant difference in acceleration and overall performance, making your truck more responsive and powerful.

Will installing this downpipe exhaust improve fuel economy?

Yes, it can. By reducing backpressure in the exhaust system, this downpipe exhaust enables the engine to operate more efficiently. When the engine doesn't have to work as hard to expel exhaust gases, it consumes less fuel. As a result, you may experience improved fuel economy, saving you money at the pump over time.

Is this downpipe exhaust suitable for high - performance racing applications?

Although primarily designed for trucks, the unrestricted flow and high - performance design of this downpipe exhaust make it suitable for high - performance racing cars as well. Its ability to handle increased exhaust gas flow and improve engine performance can give you a competitive edge on the track. However, it's important to ensure that it complies with any racing regulations in your specific area.

Package Contents

What is included in the package when I purchase this downpipe exhaust?

When you buy this downpipe exhaust, you'll receive the following items:

  • 1 x 3" Stainless Steel Downpipe: The main component of the exhaust system, crafted from high - quality stainless steel for durability and performance.
  • 2 x Stainless Steel Hose Clamps: These clamps are used to secure the downpipe and other components in place, ensuring a tight and leak - free connection.
  • 1 x Roll of Titanium Heat Wrap: The heat wrap helps to protect surrounding components from the high temperatures generated by the exhaust system. It also improves the overall appearance of the installation.

Maintenance and Durability

How often does this downpipe exhaust need to be maintained?

The high - quality stainless steel construction of this downpipe exhaust requires minimal maintenance. Regular visual inspections are recommended to check for any signs of damage, such as cracks or leaks. Additionally, you may want to clean the exhaust periodically to remove any dirt or debris that may accumulate over time. However, under normal driving conditions, extensive maintenance is not typically necessary.

What is the expected lifespan of this downpipe exhaust?

Given its high - quality materials and construction, this downpipe exhaust is designed to last for a long time. With proper installation and regular maintenance, you can expect it to serve you well for many years, providing consistent performance and reliability throughout its lifespan.

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