For 2011-2015 LML 6.6L Duramax Exhaust Downpipe

$126.59
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Details

Product Overview

This exhaust downpipe is a premium aftermarket component designed specifically for high - performance applications on 2011 - 2015 6.6L Duramax LML engines. Crafted with meticulous attention to detail, it aims to significantly enhance the overall performance of your vehicle by optimizing exhaust flow. Whether you're a racing enthusiast seeking an edge on the track or a truck owner looking to upgrade your vehicle's capabilities, this downpipe is a game - changer.

Ideal For

Racing Enthusiasts

If you're passionate about high - performance racing cars, this exhaust downpipe is an ideal addition to your setup. Its unrestricted flow design allows for smooth exhaust gas expulsion, which is crucial for maximizing engine output and efficiency. This, in turn, can lead to increased torque and improved acceleration, giving you a competitive edge on the race track.

Truck Owners

For owners of 2011 - 2015 Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 trucks equipped with 6.6L Turbo Diesel LML engines (excluding Cab & Chassis trucks), this downpipe offers a significant upgrade. It can enhance the truck's overall performance, making it more responsive and efficient, especially when towing or carrying heavy loads.

Shipping Details

Ontario CA / Springdale OH / Newark NJ

Package List
  • 1 x 3" Stainless Steel Downpipe: The main component of the package, crafted from high - quality stainless steel for durability and performance.
  • 2 x Stainless Steel Hose Clamps: These clamps are used to secure the downpipe in place, ensuring a tight and leak - free connection.
  • 1 x Roll of Titanium Heat Wrap: The heat wrap helps to insulate the downpipe, reducing heat transfer to surrounding components and improving overall performance.
Delivery Time

2-5 working days inland in the United States

Product details

Core Advantages

High - Quality Construction

Constructed from high - quality 16 - gauge T - 304 stainless steel, this downpipe is built to last. The use of computerized mandrel - bends ensures a consistent and smooth inner diameter throughout the pipe, minimizing restrictions and maximizing exhaust flow.

Durable Joints

All joints in our exhaust system are TIG welded, which provides superior strength and durability. TIG welding creates a clean and strong bond, preventing any potential leaks or cracks that could occur over time. This ensures long - term reliability and performance.

Precision - Engineered Flanges

Our exhaust system features CNC machine flanges that are precision - engineered to provide a perfect fit every time. These flanges are designed to align seamlessly with the existing exhaust components, ensuring a hassle - free installation. Additionally, they are chrome plated for added corrosion resistance, protecting them from the elements and extending their lifespan.

Unrestricted Exhaust Flow

The downpipe is designed with an unrestricted flow pattern, allowing exhaust gases to exit the engine quickly and efficiently. This reduces backpressure, which can improve engine breathing and enhance overall performance. It is specifically tailored for high - performance racing cars and trucks, where every bit of power and efficiency counts.

Technical Specifications

Material

Made from high - quality stainless steel, this downpipe offers excellent durability and resistance to corrosion. Stainless steel is known for its strength and ability to withstand high temperatures, making it an ideal choice for exhaust components.

Inlet/Outlet Sizes

The inlet and outlet sizes are both 3" OD (Outside Diameter), with a pipe diameter of 3.0". This consistent size ensures a smooth transition of exhaust gases and minimizes any potential bottlenecks in the exhaust system.

Why Choose This Exhaust Downpipe

Performance Enhancement

By improving engine output and efficiency, as well as increasing torque, this exhaust downpipe can transform the performance of your vehicle. Whether you're looking for faster acceleration on the road or more power for towing, this downpipe delivers results.

Quality Assurance

We take pride in the quality of our products. From the selection of high - grade materials to the precision manufacturing process, every step is carefully monitored to ensure that you receive a downpipe that meets or exceeds your expectations. Our commitment to quality is reflected in the durability and performance of this product.

Easy Installation

The downpipe is designed for easy installation. With its precision - engineered flanges and clear instructions, you can install it yourself or have it installed by a professional in a relatively short amount of time. This saves you both time and money compared to other complex exhaust upgrades.

Complete Package Contents

  • 1 x 3" Stainless Steel Downpipe: The main component of the package, crafted from high - quality stainless steel for durability and performance.
  • 2 x Stainless Steel Hose Clamps: These clamps are used to secure the downpipe in place, ensuring a tight and leak - free connection.
  • 1 x Roll of Titanium Heat Wrap: The heat wrap helps to insulate the downpipe, reducing heat transfer to surrounding components and improving overall performance.

Compatibility List

Chevrolet Trucks

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

GMC Trucks

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

Note: Will not fit Cab & Chassis trucks.

  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 Information

Q: What is the main purpose of this exhaust downpipe?

A: The primary purpose of this 2011 - 2015 LML 6.6L Duramax exhaust downpipe is to enhance the overall performance of your vehicle. It achieves this by improving engine output and efficiency, increasing torque, and allowing for unrestricted exhaust flow. This is especially beneficial for high - performance racing cars and trucks, as it can lead to faster acceleration and better towing capabilities.

Q: Is this downpipe suitable for all 2011 - 2015 6.6L Duramax LML vehicles?

A: No, it is not suitable for all 2011 - 2015 6.6L Duramax LML vehicles. It is specifically designed for 2011 - 2015 Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 trucks equipped with 6.6L Turbo Diesel LML engines. However, it will not fit Cab & Chassis trucks.

Material and Construction

Q: What material is the downpipe made of?

A: The downpipe is constructed from high - quality 16 - gauge T - 304 stainless steel. Stainless steel is chosen for its excellent durability, strength, and resistance to corrosion. It can withstand high temperatures and harsh environmental conditions, ensuring long - term performance.

Q: How are the joints in the exhaust system constructed?

A: All joints in our exhaust system are TIG welded. TIG (Tungsten Inert Gas) welding provides a clean, strong, and precise bond. This method ensures that the joints are leak - proof and can withstand the high pressures and temperatures within the exhaust system, preventing any potential issues down the line.

Q: Why are the flanges chrome - plated?

A: The flanges are chrome - plated for added corrosion resistance. Chrome plating creates a protective layer on the surface of the flanges, preventing them from rusting and deteriorating over time. This is especially important in an exhaust system, as it is exposed to moisture, heat, and various chemicals. Additionally, the chrome plating gives the flanges a polished and professional appearance.

Performance and Flow

Q: How does the unrestricted flow design of the downpipe improve performance?

A: The unrestricted flow design allows exhaust gases to exit the engine quickly and efficiently. By reducing backpressure, which occurs when exhaust gases are forced to flow through a restricted path, the engine can breathe more freely. This leads to improved engine output and efficiency, as well as increased torque. In high - performance applications, such as racing or towing, this can result in faster acceleration and better overall performance.

Q: Will this downpipe improve fuel economy?

A: While the primary focus of this downpipe is on performance enhancement, it can indirectly contribute to improved fuel economy. By optimizing exhaust flow and reducing backpressure, the engine can operate more efficiently. This means that it may require less fuel to produce the same amount of power, resulting in potential fuel savings over time. However, the extent of the fuel economy improvement may vary depending on driving habits and other factors.

Installation

Q: Is the installation of this downpipe difficult?

A: The downpipe is designed for relatively easy installation. It comes with precision - engineered CNC machine flanges that are designed to align seamlessly with the existing exhaust components. Additionally, the package includes clear instructions to guide you through the installation process. If you have basic mechanical skills and the necessary tools, you can install it yourself. However, if you are not confident in your abilities, it is recommended to have it installed by a professional.

Q: What tools are required for the installation?

A: The specific tools required for the installation may vary depending on your vehicle and the existing exhaust setup. However, in general, you may need a socket set, wrenches, a jack and jack stands (if working under the vehicle), and possibly a torque wrench to ensure proper tightening of the bolts and clamps. It is also a good idea to have some penetrating oil on hand to help loosen any rusted or stuck components.

Package Contents

Q: What is included in the package?

A: The complete package includes 1 x 3" Stainless Steel Downpipe, which is the main component of the exhaust upgrade. It also comes with 2 x Stainless Steel Hose Clamps to secure the downpipe in place, and 1 x Roll of Titanium Heat Wrap. The heat wrap helps to insulate the downpipe, reducing heat transfer to surrounding components and improving overall performance.

Warranty and Support

Q: Does this downpipe come with a warranty?

A: This exhaust downpipe comes with a 1 - year limited warranty. The warranty covers defects in materials and workmanship under normal use. If you encounter any issues during the warranty period, please contact our customer support team, and we will be happy to assist you with repairs or replacements as per the warranty terms.

Q: How can I contact customer support if I have questions or issues?

A: You can contact our customer support team through several channels. You can reach us by email at service@egrperformance.com. Additionally, you can visit our website and use the online contact form to send us your inquiries. Our dedicated support staff is available during business hours to answer your questions and provide assistance with any issues you may have.