aFe Large Bore-HD Exhaust System

Fits 2017 GM Duramax L5P 6.6L V8 Diesel

Part #: 49-44086-B

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. Crafted from durable 409 stainless steel, this exhaust features mandrel-bent tubing that ensures optimal airflow and longevity. It is an ideal upgrade for diesel truck enthusiasts seeking improved exhaust flow, a deeper tone, and a sleek appearance. The system is engineered for a straightforward installation, utilizing factory mounting points and high-quality band clamps, making it a perfect choice for those who want a hassle-free upgrade without modifications. This exhaust system not only boosts your vehicle’s aesthetic appeal with dual black tips but also supports better exhaust gas evacuation, which can contribute to improved engine efficiency and responsiveness. Whether you're looking to enhance your truck’s sound profile or support its performance capabilities, this system offers a reliable and stylish solution.

Key Features

Designed with high-grade 409 stainless steel for corrosion resistance and durability
Mandrel-bent tubing for unrestricted exhaust flow and improved performance
Dual black tips provide a bold, aggressive look
All factory mounting locations used for a seamless, bolt-on installation
Includes a bolt-on bracket supporting the driver side tailpipe for added stability
Constructed to meet or exceed OE standards for quality and fitment
Supports a deep, aggressive exhaust note that complements diesel engine characteristics
Easy installation with no cutting or welding required, making it suitable for DIY enthusiasts and professional installers alike

Construction & Design

The exhaust system features 4-inch mandrel-bent 409 stainless steel tubing, ensuring maximum durability and resistance to corrosion. The dual black tips are crafted from high-quality materials to withstand the elements and maintain their finish over time. The system’s design aligns perfectly with factory mounting points, facilitating a straightforward, bolt-on installation process that requires no modifications.

Performance & Response

This exhaust upgrade helps improve exhaust flow, which can lead to better engine response and potentially increased power output. The larger bore diameter reduces backpressure, supporting more efficient combustion and smoother operation. The deep, resonant tone produced by the dual tips enhances the driving experience, giving your truck a more commanding sound.

Installation & Fitment

The aFe Large Bore-HD exhaust system is designed for direct bolt-on installation using factory mounting locations. All necessary hardware, including high-quality band clamps and OE-style hangers, is included to ensure a secure fit. The system is compatible with 2017 GM Duramax L5P models, providing a hassle-free upgrade that requires no cutting or welding.

What’s Included

Complete DPF-back exhaust system with dual black tips
High-quality band clamps and OE-style hangers
Bolt-on bracket supporting the driver side tailpipe