• aFe HD 4in Dual DPF-Back SS Exhaust | GM Duramax (15-19) (49-44080-B)
  • aFe HD 4in Dual DPF-Back SS Exhaust | GM Duramax (15-19) (49-44080-B)
  • aFe HD 4in Dual DPF-Back SS Exhaust | GM Duramax (15-19) (49-44080-B)
  • aFe HD 4in Dual DPF-Back SS Exhaust | GM Duramax (15-19) (49-44080-B)
  • aFe HD 4in Dual DPF-Back SS Exhaust | GM Duramax (15-19) (49-44080-B)
  • aFe HD 4in Dual DPF-Back SS Exhaust | GM Duramax (15-19) (49-44080-B)
  • aFe HD 4in Dual DPF-Back SS Exhaust | GM Duramax (15-19) (49-44080-B)
  • aFe HD 4in Dual DPF-Back SS Exhaust | GM Duramax (15-19) (49-44080-B)
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aFe HD 4in Dual DPF-Back SS Exhaust | GM Duramax (15-19) (49-44080-B)

aFe HD 4in Dual DPF-Back SS Exhaust | GM Duramax (15-19) (49-44080-B)

49-44080-B

In stock

$967.00 USD
$967.00 USD $967.00 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The aFe Large Bore HD 4-inch dual DPF-Back exhaust system is designed specifically for 2016-2017 GM Duramax LML diesel trucks. Constructed from 4-inch mandrel-bent 409 stainless steel tubing, this exhaust enhances exhaust flow and performance while maintaining durability and corrosion resistance. The system features high-quality band clamps and OE-style bayonet hangers for secure mounting. It utilizes all factory mounting locations and includes a bolt-on bracket supporting the driver side tailpipe, ensuring a straightforward installation process with no modifications required. This exhaust system not only improves exhaust efficiency but also provides a deep, aggressive sound, making it suitable for enthusiasts seeking performance upgrades.

Designed for 2016-2017 GM Duramax LML diesel trucks, this dual DPF-Back exhaust system is a direct bolt-on replacement that fits seamlessly with the factory setup. It is ideal for improving exhaust flow, sound, and overall engine performance on diesel applications. The kit includes all necessary hardware for installation, ensuring a hassle-free upgrade for street-driven or performance-oriented trucks. Compatible with the factory exhaust mounting points, this system is perfect for owners looking to enhance their vehicle’s sound and efficiency without extensive modifications. It is suited for daily driving, towing, or off-road use, delivering a durable and high-performance exhaust solution.

Overview

aFe Large Bore HD Exhaust System

Fits 2016–2017 GM Duramax LML 6.6L V8 Diesel

Part #: 49-44080-B

Overview

The aFe Large Bore HD 4-inch Dual DPF-Back Exhaust System is designed to enhance the performance and sound of your 2016–2017 GM Duramax LML diesel truck. Crafted from durable 409 stainless steel, this exhaust system features mandrel-bent tubing that ensures optimal airflow and longevity. It is engineered for truck enthusiasts seeking a combination of improved exhaust flow, a commanding sound, and a straightforward installation process. This system is ideal for those who want to upgrade their vehicle’s exhaust without the need for modifications, providing a factory-like fit and finish with high-quality components.

Key Features

This exhaust system offers a range of features tailored to durability, performance, and ease of installation:

  • Constructed from 4-inch mandrel-bent 409 stainless steel tubing for maximum strength and corrosion resistance
  • High-quality band clamps and OE-style bayonet hangers for secure, leak-free connections
  • Factory mounting locations used for a hassle-free, bolt-on installation
  • Includes a bolt-on bracket supporting the driver side tailpipe for added stability
  • Dual DPF-back design to improve exhaust flow and reduce backpressure
  • Enhanced exhaust tone for a more aggressive sound profile
  • Designed specifically for 2016–2017 GM Duramax LML trucks, ensuring precise fitment

Construction & Design

The system’s construction emphasizes durability and performance, utilizing mandrel-bent 409 stainless steel tubing that maintains consistent diameter for improved airflow. The use of OE-style bayonet hangers and factory mounting points ensures a secure fit, while the band clamps facilitate easy assembly and disassembly. The dual exhaust outlets are finished with black tips, adding a sleek, aggressive aesthetic to your truck’s rear.

Installation & Fitment

Designed for straightforward installation, this exhaust system uses all factory mounting locations and includes a bolt-on bracket for the driver side tailpipe. No modifications are necessary, making it an ideal upgrade for DIY enthusiasts and professional installers alike. The system is tailored specifically for 2016–2017 GM Duramax LML models, ensuring a perfect fit and optimal performance.
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