2019-2024 6.7L Cummins 4" Downpipe-Back CAT/DPF Delete Exhaust System For Ram 2500/3500

6.7 Cummins DPF Delete Downpipe-Back

This 6.7 Cummins DPF Delete 4” Downpipe-Back is designed specifically for owners of 2019-2024 Dodge Ram 2500/3500 who crave a powerful exhaust note and seek maximum exhaust flow. It's a more personalized and aggressive exhaust upgrade solution for the new platform. As a pure straight-through, muffler-free 4-inch rear exhaust system, it precisely replaces the original CAT/DPF/muffler, achieving a significant increase in exhaust flow and allowing for a more thorough release of engine power.

Why Choose a 4" Exhaust System?

Compared to the stock exhaust or smaller diameter systems, the core advantage of this 4-inch system lies in its "bigger is better" principle:

• Larger Diameter: The 4-inch passage provides an unobstructed "highway" for exhaust gases compared to the narrow stock pipes.
• Higher Flow Potential: The larger cross-sectional area means more exhaust gases can be expelled per unit time, leaving ample room for subsequent ECU tuning and turbo upgrades.
• Stronger Exhaust Note: The large-diameter straight-through design fully unleashes the acoustic potential of the 6.7L Cummins, resulting in a clearer turbo whine and a deeper exhaust roar.
• More Aggressive Overall Character: From the moment of ignition to every deep press of the accelerator, it proclaims: This is no ordinary pickup truck.

High-Flow Performance Character

The core design principle of this system is performance priority:

Reduced Back Pressure Pressure

Removing the dense physical obstructions of the original DPF/CAT allows for a smoother exhaust stroke and higher operating efficiency.

Freer Exhaust Evacuation

Exhaust gases escape quickly, creating a cleaner cylinder environment for the next intake cycle and improving overall scavenging efficiency.

Performance-Oriented Airflow

Optimized pipe bends minimize turbulence while maintaining original mounting positions, ensuring smooth airflow.

More Responsive Feel Under Load

Under high-load conditions such as towing and hill climbing, lower exhaust back pressure means reduced turbo lag, more direct throttle response, and readily available power.

Compatibility Information—Precisely for 2019-2024 New Ram Models

• Applicable Years: 2019 | 2020 | 2021 | 2022 | 2023 | 2024
• Applicable Models: Ram 2500 / 3500 Pickup Truck (Equipped with a 6.7L Cummins Turbocharged Diesel Engine)

Pipeline Design: Developed entirely based on 2019-2024 original chassis data, ensuring perfect matching with the frame, driveshaft, and suspension system.

Material: T-409 stainless steel, 2mm wall thickness, high temperature and corrosion resistant.

⚠️ Important Exclusions: Not applicable to 2500 models equipped with air-ride, regular cab, and cab & chassis versions.

Why Choose Vigor Diesel?

• Durable Materials: All models use T409 stainless steel, 2mm wall thickness, which is more resistant to high temperatures and corrosion than the original aluminized steel.
• Performance Verification: We pursue verifiable performance improvements (such as hardware + tuning up to 150hp), not empty slogans.
• Perfect Fit: Specifically designed for 2019-2024 Ram 2500/3500 (6.7L) Cummins' precise design gives you confidence in your installation.
• Comprehensive Service: Free shipping within the US, online/phone/email technical support, and a 45-day return policy.
• Reasonable Pricing: High-quality and high-performance exhaust upgrade solutions at highly competitive prices.

Important Note: This product is designed for racing and off-road use only. Removing the emission control unit may violate public road regulations in your area. Please understand and comply with local laws before installation.