• aFe ATLAS 4in DPF-Back Alum Steel Exhaust | GM Duramax 6.6L (49-04086-P)
  • aFe ATLAS 4in DPF-Back Alum Steel Exhaust | GM Duramax 6.6L (49-04086-P)
  • aFe ATLAS 4in DPF-Back Alum Steel Exhaust | GM Duramax 6.6L (49-04086-P)
  • aFe ATLAS 4in DPF-Back Alum Steel Exhaust | GM Duramax 6.6L (49-04086-P)
  • aFe ATLAS 4in DPF-Back Alum Steel Exhaust | GM Duramax 6.6L (49-04086-P)
  • aFe ATLAS 4in DPF-Back Alum Steel Exhaust | GM Duramax 6.6L (49-04086-P)
  • aFe ATLAS 4in DPF-Back Alum Steel Exhaust | GM Duramax 6.6L (49-04086-P)
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aFe ATLAS 4in DPF-Back Alum Steel Exhaust | GM Duramax 6.6L (49-04086-P)

aFe ATLAS 4in DPF-Back Alum Steel Exhaust | GM Duramax 6.6L (49-04086-P)

49-04086-P

In stock

$712.94 USD
$808.00 USD $712.94 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The aFe ATLAS 4-inch DPF-Back exhaust system is designed specifically for the 2017 GM Duramax 6.6L L5P diesel engine. Constructed from 4-inch mandrel-bent aluminized steel tubing, this exhaust system enhances exhaust flow and performance while maintaining durability. It features high-quality band clamps and OE-style bayonet hangers for secure mounting. The system is engineered for a straightforward, bolt-on installation using all factory mounting points, including a bolt-on bracket that supports the driver side tailpipe. This setup offers improved exhaust efficiency, a deepened sound, and a performance upgrade suitable for diesel trucks. The dual exit polished tips add a refined aesthetic, complementing the robust construction and enhancing the vehicle's appearance.

Designed for 2017 GM Duramax 6.6L L5P models, this DPF-back exhaust system is a direct replacement that does not require modifications for installation. It is ideal for diesel enthusiasts seeking increased horsepower, torque, and a more aggressive exhaust note. The system is suitable for both street and off-road use, providing a reliable upgrade for improved exhaust flow and sound. The included components ensure a hassle-free installation process, with all necessary hardware and mounting points aligned for factory fitment. This exhaust system is perfect for those looking to enhance their truck’s performance and aesthetic appeal without extensive modifications.

Overview

aFe Exhaust Systems

Fits 2017 GM Duramax 6.6L (L5P)

Part #: 49-04086-P

Overview

The aFe ATLAS 4-inch DPF-Back Alum Steel Exhaust System is designed to enhance the performance and sound of your 2017 GM Duramax 6.6L L5P diesel truck. Crafted from durable, mandrel-bent aluminized steel tubing, this exhaust system offers a combination of strength, corrosion resistance, and optimized airflow. It is ideal for truck owners seeking a straightforward upgrade that improves exhaust flow, reduces backpressure, and provides a more aggressive exhaust note. The system's dual exit polished tips add a refined aesthetic, complementing the rugged look of your vehicle while supporting improved exhaust efficiency and durability.

Key Features

This exhaust system features a high-quality construction designed for durability and ease of installation. Key features include:

  • 4-inch mandrel-bent aluminized steel tubing for smooth airflow and longevity
  • All factory mounting locations used for a bolt-on, hassle-free installation
  • High-quality band clamps and OE-style bayonet hangers for secure fitment
  • Dual polished exhaust tips for an enhanced visual appeal
  • Includes a bolt-on bracket supporting the driver side tailpipe
  • Designed specifically for the 2017 GM Duramax 6.6L L5P engine

Construction & Design

The system is constructed from 4-inch mandrel-bent aluminized steel tubing, ensuring optimal exhaust flow and resistance to corrosion. The use of OE-style bayonet hangers and factory mounting points maintains original fitment and simplifies installation, with no modifications required. The dual polished tips are crafted to withstand the elements while adding a polished, aggressive look to your truck’s rear end.

Installation & Fitment

This exhaust system is designed for direct bolt-on installation using existing factory mounting points. It includes all necessary hardware, band clamps, and brackets to ensure a secure and straightforward setup. No cutting or welding is required, making it suitable for DIY installation or professional service.

What’s Included

The package includes the aluminized steel exhaust piping, dual polished tips, band clamps, OE-style bayonet hangers, and mounting brackets for a complete upgrade.

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