aFe Atlas Exhaust

Fits 2011–2013 GM Diesel Trucks with V8-6.6L (LML) Engine

Part #: 49-04041-B

Overview

The aFe Atlas Exhaust is a high-performance, direct-fit exhaust system designed specifically for 2011 to 2013 GM diesel trucks equipped with the V8-6.6L (LML) engine. Crafted from durable 5-inch mandrel-bent aluminized steel tubing, this exhaust system is engineered to optimize airflow, reduce backpressure, and enhance overall engine efficiency. It is ideal for truck owners seeking to improve their vehicle’s response, towing capacity, and exhaust sound, all while maintaining a reliable and long-lasting upgrade. The system’s robust construction and precise fitment make it a popular choice among diesel enthusiasts and professional installers alike. The Atlas DPF-Back exhaust features a sleek, wrinkle-black powder-coated tip that adds a bold aesthetic touch to your truck’s rear end. Designed for straightforward installation, it utilizes all factory mounting locations, high-quality band clamps, and OE-style bayonet hangers to ensure a secure and hassle-free setup. Whether you’re looking to boost performance or upgrade your truck’s appearance, this exhaust system delivers both style and substance.

Key Features

This exhaust system combines premium materials and thoughtful design to provide a reliable upgrade for your diesel truck. Key features include:

• Constructed from 5-inch mandrel-bent aluminized steel tubing for maximum airflow and durability
• Low turbulence smooth transition bends to help increase horsepower and torque
• Reduces exhaust gas temperatures (EGTs) for improved engine longevity
• Includes a large 7-inch wrinkle-black powder-coated tip for a bold look
• Designed for easy installation using factory mounting points and high-quality clamps
• Optimized for enhanced exhaust flow and sound characteristics
• Built to withstand harsh conditions with corrosion-resistant materials

Construction & Design

The aFe Atlas Exhaust is engineered with precision mandrel bends to ensure consistent diameter and minimal flow restrictions. The aluminized steel construction offers excellent resistance to corrosion and heat, making it suitable for demanding diesel applications. The wrinkle-black powder-coated tip not only provides a striking visual upgrade but also adds an extra layer of protection against the elements.

Driving Feel & Feedback

This exhaust system helps improve exhaust flow, resulting in a more responsive throttle and a deeper, more aggressive exhaust note. It supports better engine efficiency and can contribute to improved towing performance, giving you a more confident driving experience under load.

Installation & Fitment

Designed as a direct bolt-on upgrade, the aFe Atlas Exhaust uses all factory mounting locations, ensuring a straightforward installation process. No cutting or welding is required, making it suitable for DIY enthusiasts and professional installers alike.

What’s Included

The package includes all necessary clamps, hangers, and hardware for a complete installation, along with the wrinkle-black powder-coated tip for a finished look.