aFe Large Bore-HD Exhaust System

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

Part #: 49-42075-P

Overview

The aFe Large Bore-HD 5" 409 Stainless Steel DPF-Back Exhaust System 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). Designed to replace the factory diesel particulate filter (DPF) back section, this exhaust system enhances exhaust flow while maintaining a direct bolt-on fitment. It is ideal for truck owners seeking improved durability, a refined appearance, and a robust exhaust note without the need for extensive modifications.

Built with heavy-duty applications in mind, this exhaust system offers a perfect balance of strength, style, and performance for RAM owners who demand reliability and quality from their aftermarket upgrades.

Key Features

This exhaust system incorporates advanced design and premium materials to deliver lasting performance and a clean installation experience. Key features include:

• 5" mandrel-bent 409 stainless steel tubing for maximum strength and optimal exhaust flow
• 7" diameter polished stainless steel clamp-on exhaust tip featuring a riveted aFe POWER logo plate for distinctive styling
• Direct bolt-on installation using factory-style hangers—no cutting or modifications required
• Computer-aided design ensures precise, high-tolerance factory fitment for seamless integration
• 100% MIG-welded construction for race-proven durability and structural integrity
• Designed specifically for Crew Cab, Long Bed (8' box) 169" wheelbase RAM 2500/3500 trucks
• Manufactured in the USA at aFe POWER’s Corona, California facility

Construction & Design

The Large Bore-HD exhaust system is crafted from premium 409 stainless steel, known for its excellent corrosion resistance and strength under high-heat conditions. The 5" tubing is mandrel-bent to maintain consistent diameter throughout bends, ensuring unrestricted exhaust flow and reducing backpressure. This construction enhances both durability and performance longevity, even under demanding driving conditions.

Every weld is completed using MIG welding techniques, providing superior strength and a clean finish. The polished 7" stainless steel exhaust tip not only adds a sleek, professional look but also resists rust and discoloration, maintaining its shine over time.

Installation & Fitment

Installation is straightforward and user-friendly, designed to fit directly onto the factory mounting points using OEM-style hangers. This eliminates the need for cutting, welding, or any other modifications, allowing for a hassle-free upgrade. The system is engineered to fit only the Crew Cab, Long Bed (8' box) RAM 2500 and 3500 trucks with a 169" wheelbase from model years 2019 through 2026.

What's Included

• 5" 409 stainless steel DPF-back exhaust pipe
• 7" diameter polished 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 refined appearance without compromising emissions compliance. It suits enthusiasts who prefer a direct bolt-on solution that maintains factory fitment and finish, as well as those who use their trucks for heavy-duty towing, hauling, or daily driving.

Emissions Note

This product does not require a CARB Executive Order (EO) number, making it compliant for use in states with strict emissions regulations. The aFe POWER exhaust system is engineered to meet or exceed OEM standards while providing enhanced performance and style.

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.