aFe Large Bore-HD Exhaust System

2019–2024 Ram 1500 3.0L V6 Turbo Diesel

Part #: 49-42080-P

Overview

The aFe Large Bore-HD 3-inch 409 stainless steel DPF-back exhaust system is engineered specifically for Ram 1500 trucks equipped with the 3.0L V6 turbo diesel engine from model years 2019 through 2024. This exhaust system replaces the factory DPF-back section to enhance exhaust flow, improve durability, and deliver a refined, aggressive exhaust tone while maintaining emissions compliance.

Designed for diesel enthusiasts who demand rugged construction and a polished appearance, the Large Bore-HD system offers a direct bolt-on upgrade that preserves factory mounting points and hardware. It is ideal for Ram 1500 owners seeking a balance of performance, style, and reliability without the need for complex modifications.

Key Features

Built with precision and durability in mind, the aFe Large Bore-HD exhaust system includes the following standout features:

• Constructed from 3-inch mandrel-bent 409 stainless steel tubing for superior strength and corrosion resistance
• Dual 5-inch polished 304 stainless steel clamp-on exhaust tips with riveted aFe POWER logo plates for distinctive styling
• Factory-style flanges and hangers ensure a direct bolt-on installation with no cutting, welding, or modifications required
• 100% MIG-welded joints provide race-proven durability and long-lasting performance
• Engineered using advanced CAD technology for precise fitment and adherence to factory specifications
• Includes all necessary mounting hardware and clamps for a hassle-free installation

Construction & Design

This exhaust system is crafted from premium 409 stainless steel tubing, known for its excellent resistance to heat and corrosion—ideal for the demanding conditions of diesel truck exhaust. The mandrel-bent tubing maintains a consistent diameter through bends, reducing restrictions and backpressure to optimize exhaust flow.

The polished 304 stainless steel tips not only enhance the truck’s aggressive look but also provide superior corrosion resistance and durability. Their clamp-on design allows for easy replacement or customization without welding. Every joint is completed with MIG welding techniques, ensuring strong, clean, and reliable welds that stand up to daily driving and off-road use.

Installation & Fitment

The aFe Large Bore-HD exhaust system is designed as a direct bolt-on replacement for the factory DPF-back section on Ram 1500 trucks with the 3.0L V6 turbo diesel engine from 2019 to 2024. Utilizing factory-style flanges and hangers, installation requires no cutting, welding, or modifications, allowing for a straightforward upgrade using basic hand tools.

This system fits a wide range of Ram 1500 trims, including Big Horn (2020–2022), HFE (2022), Laramie (2020–2022), Laramie Longhorn (2020–2021), Limited (2020–2022), Limited Longhorn (2021–2022), Lone Star (2020–2022), Longhorn (2021), Rebel (2020–2022), and Tradesman (2020–2022).

What's Included

• 3-inch mandrel-bent 409 stainless steel DPF-back exhaust tubing
• Dual 5-inch polished 304 stainless steel clamp-on exhaust tips with riveted aFe POWER logo plates
• All necessary mounting hardware and clamps
• Factory-style flanges and hangers for direct fitment

Ideal For

This exhaust system is perfect for Ram 1500 owners who want to upgrade their diesel truck’s exhaust for improved durability, a more aggressive and refined exhaust note, and enhanced styling. It suits daily drivers, weekend warriors, and diesel enthusiasts who demand quality construction, factory-like fitment, and a polished appearance without the hassle of complex installation or modifications.

aFe POWER (Advanced FLOW Engineering) offers dyno-proven intake, filtration, and exhaust upgrades aimed at measurable performance gains. The brand’s lineup is geared toward enthusiasts looking for better airflow, improved sound, and durable materials—from cold air intakes to stainless exhaust systems for street and track applications.