• aFe 4in DPF-Back Alum Steel Exhaust | Chevy Silverado/GMC Sierra 15-19 (49-04086-B)
  • aFe 4in DPF-Back Alum Steel Exhaust | Chevy Silverado/GMC Sierra 15-19 (49-04086-B)
  • aFe 4in DPF-Back Alum Steel Exhaust | Chevy Silverado/GMC Sierra 15-19 (49-04086-B)
  • aFe 4in DPF-Back Alum Steel Exhaust | Chevy Silverado/GMC Sierra 15-19 (49-04086-B)
  • aFe 4in DPF-Back Alum Steel Exhaust | Chevy Silverado/GMC Sierra 15-19 (49-04086-B)
  • aFe 4in DPF-Back Alum Steel Exhaust | Chevy Silverado/GMC Sierra 15-19 (49-04086-B)
  • aFe 4in DPF-Back Alum Steel Exhaust | Chevy Silverado/GMC Sierra 15-19 (49-04086-B)
1 7

aFe 4in DPF-Back Alum Steel Exhaust | Chevy Silverado/GMC Sierra 15-19 (49-04086-B)

aFe 4in DPF-Back Alum Steel Exhaust | Chevy Silverado/GMC Sierra 15-19 (49-04086-B)

49-04086-B

Out of stock

$768.53 USD
$871.00 USD $768.53 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 offers enhanced airflow and 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 design ensures a hassle-free upgrade with no modifications required, providing improved exhaust flow and a more aggressive sound profile. The dual exit configuration with black tips adds a sporty aesthetic while maintaining factory fitment and performance standards.

This exhaust system is tailored for 2017 GM Duramax models, fitting seamlessly with the factory exhaust mounting locations. It is intended for use on diesel trucks seeking increased performance, sound, and visual appeal. Suitable for both street and off-road applications, it enhances exhaust flow and reduces backpressure, contributing to potential power gains and improved efficiency. The system is a direct replacement for the factory exhaust, ensuring compatibility and ease of installation. Included components comprise the aluminized steel tubing, dual black tips, band clamps, OE-style hangers, and mounting brackets. It is ideal for diesel enthusiasts looking to upgrade their truck’s exhaust system for better performance and a more aggressive look.

Overview

aFe Exhaust Systems

Fits 2017 GM Duramax 6.6L (L5P)

Part #: 49-04086-B

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 enthusiasts seeking a straightforward upgrade that improves exhaust flow, reduces backpressure, and delivers a more aggressive exhaust note. The system's dual exit design not only enhances the vehicle's aesthetic appeal but also supports better heat dissipation and exhaust gas evacuation, contributing to improved engine efficiency and reliability. Whether you're looking to boost your truck's performance or upgrade its appearance, this exhaust system provides a seamless fit and straightforward installation, making it suitable for DIY enthusiasts and professional installers alike.

Key Features

This exhaust system features high-quality construction and thoughtful design to ensure durability and ease of use:
  • 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 for secure connections and easy serviceability
  • OE-style bayonet hangers for reliable support and alignment
  • Dual exit configuration with black tips for a bold, aggressive look
  • Includes a bolt-on bracket supporting the driver side tailpipe for added stability
  • Designed to improve exhaust flow, reduce backpressure, and enhance sound

Construction & Design

Constructed from 4-inch mandrel-bent aluminized steel tubing, this exhaust system emphasizes durability and optimal airflow. The use of high-quality band clamps and OE-style hangers ensures a secure fit and long-lasting performance, while the dual black tips add a stylish finishing touch to your truck's rear end.

Installation & Fitment

The system is designed for direct bolt-on installation using factory mounting points, requiring no modifications. The included bolt-on bracket supports the driver side tailpipe, simplifying the process and reducing installation time.

What’s Included

The package includes all necessary clamps, hangers, and hardware for a complete, hassle-free installation.
View full details