aFe Large Bore-HD Exhaust System

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

Part #: 49-42075-B

Overview

The aFe Large Bore-HD 5" 409 SS DPF-Back Exhaust with Black Tip is engineered specifically for the 2019 through 2026 RAM 2500 and 3500 models equipped with the 6.7L engine, Crew Cab configuration, and Long Bed (8' box) on a 169" wheelbase. Designed for diesel truck enthusiasts seeking enhanced exhaust flow and a rugged appearance, this direct bolt-on system replaces the factory DPF-back section to improve exhaust efficiency without sacrificing durability or fitment.

This exhaust system is ideal for owners who want to maintain a factory-style installation while upgrading to a high-quality, mandrel-bent stainless steel exhaust that delivers a refined yet aggressive sound and a distinctive black tip finish.

Key Features

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

• 5" mandrel-bent 409 stainless steel tubing for maximum strength and long-lasting corrosion resistance
• 7" diameter black stainless steel clamp-on exhaust tip featuring a riveted aFe POWER logo plate for unique styling
• Direct bolt-on installation using factory-style hangers—no cutting or modifications required
• Computer-aided design (CAD) ensures high tolerance, custom fitment for seamless integration
• 100% MIG-welded construction for race-proven strength and durability
• DPF-back configuration designed to replace the factory section behind the diesel particulate filter
• Engineered and manufactured in Corona, California, ensuring quality control and craftsmanship

Construction & Design

This exhaust system is crafted from premium 409 stainless steel, known for its excellent resistance to heat and corrosion, making it well-suited for heavy-duty diesel applications. The 5" tubing is mandrel-bent to maintain consistent diameter throughout bends, optimizing exhaust gas flow and minimizing restrictions. The entire system is 100% MIG-welded, providing robust joints that withstand the rigors of daily driving and off-road conditions.

The 7" black stainless steel exhaust tip adds a bold visual statement while resisting rust and discoloration. The riveted aFe POWER logo plate on the tip adds a touch of authenticity and brand recognition.

Installation & Fitment

Installation is straightforward and designed to be hassle-free. This exhaust system utilizes factory-style hangers and mounts directly to the existing exhaust components without the need for cutting, welding, or additional modifications. It fits exclusively on RAM 2500 and 3500 Crew Cab models with the Long Bed (8' box) and a 169" wheelbase from model years 2019 through 2026 equipped with the 6.7L engine.

What's Included

• 5" mandrel-bent 409 stainless steel DPF-back exhaust piping
• 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 perfect for RAM 2500/3500 diesel truck owners who want a durable, high-quality upgrade that enhances exhaust flow and sound without compromising factory fitment or requiring complex installation. It suits daily drivers, work trucks, and enthusiasts looking to improve their truck’s performance and appearance with a reliable, long-lasting exhaust solution.

Emissions Note

This aFe POWER exhaust system does not require a CARB Executive Order (EO#) and is designed to comply with emissions regulations for the specified vehicle applications.

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.