CORSA Performance Sport / 4.0 in Muffler Upgrade Kit

2011–2025 Dodge Ram Cummins / Ford PowerStroke F-250/F-350 6.0L–7.0L

Part #: 8004002

Overview

The CORSA Performance Sport / 4.0 in Muffler Upgrade Kit is designed to enhance the exhaust sound and performance of your heavy-duty diesel truck. Whether you own a Dodge Ram Cummins or a Ford PowerStroke, this upgrade provides a deeper, more aggressive exhaust note while helping to optimize exhaust flow. Built for enthusiasts who want a balance of improved sound and reduced drone, this kit is perfect for daily drivers, towing applications, and spirited off-road adventures.

By replacing your factory muffler with this high-quality upgrade, you'll experience a more robust exhaust tone that elevates your vehicle's presence on the road. The kit is engineered to mitigate drone frequencies that can cause fatigue during extended drives, ensuring a comfortable and enjoyable driving experience. Designed with durability and performance in mind, this muffler upgrade is a reliable choice for those seeking to improve their truck's exhaust sound and efficiency.

Key Features

The CORSA Sport / 4.0 in Muffler Upgrade Kit offers several technical features that set it apart:

• Constructed from 304 stainless steel, providing excellent corrosion resistance and durability in harsh environments.
• Round case shape with a polished finish that complements the rugged look of your truck.
• Expanded inlet and outlet diameters of 4.0 inches, designed to maximize exhaust flow and reduce backpressure.
• Center inlet and outlet configuration for straightforward installation and optimal fitment.
• Engineered with CORSA's patented Reflective Sound Cancellation technology, which delivers a deep, aggressive tone without unwanted drone.
• Mitigates most drone-inducing frequencies, ensuring a quieter, more refined ride at cruising speeds.
• Designed specifically for 5.9L and 6.7L Dodge Cummins engines, as well as 6.0L, 6.4L, 6.7L, and 7.0L Ford PowerStroke engines, making it a versatile upgrade for popular diesel trucks.
• Easy bolt-on installation that requires no cutting or welding, making it accessible for DIY enthusiasts and professional installers alike.
• Enhances exhaust flow, supporting potential increases in horsepower and torque, and improving overall engine efficiency.

Construction & Design

This muffler upgrade features a robust round stainless steel case that withstands the rigors of heavy-duty use. The 4.0-inch expanded inlet and outlet openings are mandrel-bent to ensure smooth airflow, reducing turbulence and backpressure. The internal design incorporates CORSA's proprietary Reflective Sound Cancellation technology, which actively cancels unwanted drone frequencies while amplifying desirable exhaust tones. The polished stainless steel finish not only adds a sleek aesthetic but also provides long-lasting corrosion resistance, even in challenging environments such as off-road or winter conditions.

Performance & Sound

The CORSA Sport / 4.0 in Muffler Upgrade Kit is engineered to deliver a sportier, more aggressive exhaust note that enhances your vehicle's character. While specific horsepower or torque gains are not provided, the improved exhaust flow and sound tuning contribute to a more responsive throttle and a deeper, more commanding exhaust tone. The kit effectively reduces drone frequencies that can cause fatigue during highway cruising, ensuring a comfortable ride without sacrificing the bold sound you desire.

Installation & Fitment

This muffler upgrade is designed as a direct bolt-on replacement for your factory muffler, requiring no cutting, welding, or complex modifications. The straightforward installation process allows you to upgrade your exhaust system quickly and easily, whether at home or in a professional shop. The kit fits all compatible 5.9L and 6.7L Dodge Ram Cummins models, as well as 6.0L, 6.4L, 6.7L, and 7.0L Ford PowerStroke trucks, ensuring a precise fit for your specific application.

• Easy bolt-on installation with all necessary hardware included.
• No cutting, drilling, or tuning required for most applications.

What's Included

• High-performance 4.0-inch stainless steel muffler with polished finish
• All necessary clamps and mounting hardware
• Installation instructions

Ideal For

• Diesel truck owners seeking a deeper, more aggressive exhaust sound
• Enthusiasts looking to reduce drone and improve overall exhaust flow
• Those wanting a durable, corrosion-resistant upgrade for heavy-duty use
• Drivers who want a straightforward, bolt-on installation without modifications

Emissions Note

This product is designed for off-road or racing use only and may not be legal for street use in all areas. Please check local regulations before installation.