5 inch Cat Back Exhaust System Single Side Exit Aluminized Steel

Features:

• Fits 2004–2007 RAM 2500/3500 5.9L Cummins
• 5" mandrel-bent tubing improves exhaust flow
• Cat-back design retains the factory catalytic converter
• Aluminized steel construction for cost-effective strength
• Boosts horsepower and torque output
• Reduces exhaust gas temperatures under load
• Deep, aggressive MBRP diesel tone
• Enhances turbo response and throttle feel
• Single side exit with factory-style fitment
• Bolt-on install using stock hanger locations
• Ideal for towing and daily driving needs
• Includes all clamps and installation hardware

Give Your Cummins The Sound And Strength It Deserves

If your 2004–2007 Dodge RAM 2500 or 3500 5.9L Cummins is still running a stock exhaust, the MBRP S61180AL Cat Back System is the kind of upgrade that instantly transforms your truck. With a larger 5-inch diameter and a free-flowing design, it opens up the system to let your Cummins breathe better and growl deeper. The sound is strong and aggressive, giving your truck the presence it’s always deserved, without being overbearing for daily use. You’ll notice improved throttle response and a bit more bite under load, which is especially helpful when towing or accelerating uphill. Built from aluminized steel, this system offers a solid balance between strength and affordability, perfect for drivers who want a performance boost without spending top dollar. The single side exit keeps things clean and classic, matching the truck’s original styling while delivering an unmistakable tone. If you're after performance, sound, and value all in one package, this system gets it done without the guesswork.

Built For Smooth Flow Cooler Temps And Easy Installation

The MBRP S61180AL 5 Inch Cat Back Exhaust System is engineered to deliver better performance by reducing restriction and maximizing airflow on 2004–2007 5.9L Cummins trucks. Its mandrel-bent 5-inch tubing maintains consistent diameter throughout the entire system, ensuring that exhaust gases exit quickly and efficiently. This helps lower exhaust gas temperatures under load, which contributes to improved engine longevity and more stable towing performance. The cat-back design allows you to retain your factory catalytic converter, making it a smart option for owners who want improved flow without affecting emissions compliance. The aluminized steel construction provides dependable resistance to corrosion in dry to moderate climates, making it a great value choice for daily drivers. The system bolts directly to factory hanger locations and includes all the hardware needed for a smooth installation. With a balanced sound profile and measurable performance gains, this system is ideal for anyone looking to enhance their truck’s power delivery without going over the top. It’s efficient, straightforward, and built with purpose.

Fits: 2004, 2005, 2006, 2007 Dodge RAM 2500/3500 5.9L Cummins

Notes:

• Fits 2004–2007 Dodge RAM 2500 and 3500 with 5.9L Cummins engine
• Cat-back system replaces exhaust from the catalytic converter back
• Designed to work with the factory catalytic converter in place
• Constructed from 5-inch aluminized steel tubing for durability and value
• Best suited for dry to moderate climates where corrosion is minimal
• Mandrel-bent tubing helps reduce backpressure and increase flow
• Improves throttle response and reduces exhaust gas temperatures
• Produces a deep, aggressive diesel tone under acceleration
• Single side exit design maintains a clean OEM-style appearance
• Includes all required clamps and hardware for installation
• Bolts to factory hanger locations for a secure, easy install
• Not intended for use on vehicles equipped with emissions modifications