aFe Atlas 5" Aluminized Steel DPF-Back Exhaust

2019–2026 RAM 2500/3500 6.7L Crew Cab Long Bed

Part #: 49-02075-B

Overview

The aFe Atlas 5" Aluminized Steel DPF-Back Exhaust is engineered specifically for 2019 to 2026 RAM 2500 and 3500 models equipped with the 6.7L engine, Crew Cab configuration, and Long Bed (8' box). Designed to replace the factory diesel particulate filter (DPF) back section, this exhaust system enhances exhaust flow and durability while maintaining a direct bolt-on fitment. Ideal for truck owners seeking a robust upgrade that combines performance, style, and longevity without compromising factory fitment or requiring modifications.

This system is perfect for enthusiasts and professionals who demand a reliable exhaust solution built to withstand the rigors of heavy-duty use while delivering a refined appearance and sound.

Key Features

The aFe Atlas DPF-Back Exhaust offers a range of advanced features designed to improve your RAM truck’s exhaust system performance and aesthetics:

• 5" Mandrel-bent aluminized steel tubing for maximum strength and corrosion resistance
• 7" diameter black stainless steel clamp-on exhaust tip with riveted aFe POWER logo plate for a distinctive look
• Direct bolt-on installation using factory-style hangers—no cutting or modifications required
• Computer-aided design (CAD) ensures precise, high-tolerance factory fitment
• 100% MIG-welded construction for race-proven durability and strength
• Specifically engineered for Crew Cab Long Bed (169" wheelbase) RAM 2500/3500 trucks from 2019 through 2026
• Aluminized steel construction offers excellent heat and corrosion resistance for extended service life

Construction & Design

The aFe Atlas exhaust system is crafted from premium 5-inch aluminized steel tubing, chosen for its superior durability and resistance to rust and corrosion in demanding environments. The mandrel-bent tubing maintains consistent diameter throughout bends, optimizing exhaust flow and minimizing restrictions. Every joint is 100% MIG-welded, providing strong, leak-free connections that withstand vibration and thermal cycling common in heavy-duty trucks.

The system’s design leverages advanced computer-aided design technology to ensure a perfect fit with factory mounting points and hangers, eliminating the need for cutting or modifications during installation. The black stainless steel exhaust tip not only adds a sleek, aggressive aesthetic but also resists discoloration and corrosion over time.

Installation & Fitment

This exhaust system is a direct bolt-on replacement for the DPF-back section on 2019–2026 RAM 2500 and 3500 trucks with the 6.7L engine, Crew Cab, and Long Bed (8-foot box) configuration. It utilizes factory-style hangers and hardware, allowing for a straightforward installation process without the need for cutting, welding, or additional modifications. This ensures a hassle-free upgrade that maintains factory alignment and clearance.

What's Included

• 5" aluminized steel DPF-back exhaust tubing
• 7" diameter black stainless steel clamp-on exhaust tip with aFe POWER logo plate
• All necessary clamps and hardware for installation
• Detailed installation instructions

Ideal For

This exhaust system is ideal for RAM 2500 and 3500 owners who want to upgrade their factory exhaust for improved durability, enhanced exhaust flow, and a bold appearance without sacrificing ease of installation or factory fitment. It suits daily drivers, work trucks, and enthusiasts looking for a reliable, long-lasting exhaust solution tailored to their specific truck configuration.

Emissions Note

This product does not require a CARB Executive Order (EO#), making it compliant with emissions regulations where applicable. aFe POWER exhaust systems are engineered and manufactured in Corona, California, ensuring high-quality standards and regulatory compliance.

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.