• aFe Large Bore-HD 4in SS D&S Exhaust | GM Duramax V8-6.6L (17+) (49-44086-P)
  • aFe Large Bore-HD 4in SS D&S Exhaust | GM Duramax V8-6.6L (17+) (49-44086-P)
  • aFe Large Bore-HD 4in SS D&S Exhaust | GM Duramax V8-6.6L (17+) (49-44086-P)
  • aFe Large Bore-HD 4in SS D&S Exhaust | GM Duramax V8-6.6L (17+) (49-44086-P)
  • aFe Large Bore-HD 4in SS D&S Exhaust | GM Duramax V8-6.6L (17+) (49-44086-P)
  • aFe Large Bore-HD 4in SS D&S Exhaust | GM Duramax V8-6.6L (17+) (49-44086-P)
  • aFe Large Bore-HD 4in SS D&S Exhaust | GM Duramax V8-6.6L (17+) (49-44086-P)
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aFe Large Bore-HD 4in SS D&S Exhaust | GM Duramax V8-6.6L (17+) (49-44086-P)

aFe Large Bore-HD 4in SS D&S Exhaust | GM Duramax V8-6.6L (17+) (49-44086-P)

49-44086-P

In stock

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

The aFe Large Bore-HD 4-inch 409-SS DPF-Back Exhaust for the 2017 GM Duramax L5P is a high-performance exhaust system designed to enhance engine efficiency and sound. Constructed from durable 4-inch mandrel-bent 409 stainless steel tubing, this system ensures optimal exhaust flow and corrosion resistance. It features all factory mounting points, high-quality band clamps, and OE-style bayonet hangers, providing a secure fit and a clean appearance. The dual polished tips add a polished aesthetic touch, while the design aims to improve horsepower, torque, and exhaust note for a more aggressive driving experience. The system is engineered for straightforward installation, requiring no modifications, and includes all necessary hardware for a hassle-free upgrade.

This DPF-back exhaust system is specifically tailored for 2017 GM Duramax V8-6.6L L5P models, fitting seamlessly with the factory exhaust mounting locations. It is intended for use on diesel trucks seeking increased performance and a deeper exhaust tone, suitable for both street and off-road applications. The bolt-on design allows for direct replacement of the factory system, making it ideal for enthusiasts looking to upgrade their exhaust without complex modifications. The kit includes the exhaust pipes, dual polished tips, clamps, and mounting hardware, ensuring a complete and professional installation. This system is perfect for those aiming to maximize their truck’s power output and sound profile.

Overview

aFe Large Bore-HD Exhaust System

Fits 2017 GM Duramax L5P 6.6L V8 Diesel

Part #: 49-44086-P

Overview

The aFe Large Bore-HD 4-inch DPF-Back exhaust system is designed to enhance the performance and sound of your 2017 GM Duramax L5P diesel truck. Crafted from durable 409 stainless steel, this exhaust features mandrel-bent tubing that ensures optimal airflow and longevity. It is an ideal upgrade for truck enthusiasts seeking improved exhaust flow, a deeper tone, and a rugged aesthetic. The system is engineered for a straightforward installation, utilizing all factory mounting points for a seamless fit and minimal downtime. Whether you're looking to boost your truck’s efficiency or achieve a more aggressive sound, this exhaust system delivers reliable performance and durability.

Key Features

This exhaust system combines high-quality materials with a functional design to support your vehicle’s performance needs. Key features include:
  • Constructed from 4" mandrel-bent 409 stainless steel tubing for corrosion resistance and durability
  • High-quality band clamps and OE-style bayonet hangers for secure attachment
  • All factory mounting locations retained for a bolt-on, hassle-free installation
  • Dual polished tips add a refined, aggressive look to your truck’s rear end
  • Designed to improve exhaust flow and reduce backpressure for enhanced engine response
  • Supports the vehicle’s emission system while providing a deep, resonant exhaust note

Construction & Design

The aFe Large Bore-HD exhaust system features precision mandrel-bent 409 stainless steel tubing, ensuring smooth bends that promote unrestricted airflow. The use of high-quality band clamps and OE-style bayonet hangers guarantees a secure fit and long-lasting performance. The dual polished tips are crafted to withstand the elements and add a stylish finishing touch to your truck’s appearance.

Driving Feel & Feedback

This exhaust system helps deliver a more aggressive exhaust tone, enhancing the driving experience with a deeper, more commanding sound. It supports improved exhaust flow, which can contribute to better throttle response and engine efficiency, making your vehicle feel more responsive and powerful.

Installation & Fitment

Designed for a direct bolt-on installation, this system uses all factory mounting points and includes a bolt-on bracket to support the driver side tailpipe. No modifications are necessary, allowing for a quick and straightforward upgrade process.

What’s Included

The package includes the full DPF-back exhaust system with dual polished tips, all necessary clamps, hangers, and hardware for a complete, hassle-free installation.

Ideal For

Perfect for Duramax L5P owners seeking to improve exhaust sound, appearance, and performance without complex modifications. This system is suitable for those who want a durable upgrade that supports the truck’s factory emission systems while providing a more aggressive and refined exhaust note.
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