
Enhance both the performance and style of your 2004.5-2007 5.9 Cummins with the MBRP S61180AL 5-Inch Installer Series Cat-Back Exhaust System. Designed for truck enthusiasts looking to boost power and add an aggressive appearance, this system features a 5-inch aluminized steel construction for durability and long-lasting performance. The free-flowing performance muffler ensures optimal exhaust flow, improving horsepower and torque, while lowering exhaust gas temperatures.
A key feature of this system is the 6-inch OD polished exhaust tip, which gives your truck a bold, aggressive look, complementing its enhanced performance. The system is designed for easy installation, requiring only basic hand tools, so you can get back on the road quickly with a powerful upgrade.
Key Features:
- 5-Inch Aluminized Steel Construction for strength and corrosion resistance.
- Free-Flowing Performance Muffler for improved power, torque, and exhaust efficiency.
- 6-Inch OD Polished Exhaust Tip for an aggressive, eye-catching appearance.
- Easy Installation with a direct-fit design and no professional assistance required.
- Enhanced Sound and Performance for a more powerful exhaust tone and improved engine efficiency.
Upgrade your 5.9 Cummins with the MBRP S61180AL 5-Inch Installer Series Cat-Back Exhaust System—the perfect combination of power, durability, and style.

Enhance both the performance and style of your 2004.5-2007 5.9 Cummins with the MBRP S61180AL 5-Inch Installer Series Cat-Back Exhaust System. Designed for truck enthusiasts looking to boost power and add an aggressive appearance, this system features a 5-inch aluminized steel construction for durability and long-lasting performance. The free-flowing performance muffler ensures optimal exhaust flow, improving horsepower and torque, while lowering exhaust gas temperatures.
A key feature of this system is the 6-inch OD polished exhaust tip, which gives your truck a bold, aggressive look, complementing its enhanced performance. The system is designed for easy installation, requiring only basic hand tools, so you can get back on the road quickly with a powerful upgrade.
Key Features:
5-Inch Aluminized Steel Construction for strength and corrosion resistance.
Free-Flowing Performance Muffler for improved power, torque, and exhaust efficiency.
6-Inch OD Polished Exhaust Tip for an aggressive, eye-catching appearance.
Easy Installation with a direct-fit design and no professional assistance required.
Enhanced Sound and Performance for a more powerful exhaust tone and [...]
Enhance both the performance and style of your 2004.5-2007 5.9 Cummins with the MBRP S61180AL 5-Inch Installer Series Cat-Back Exhaust System. Designed for truck enthusiasts looking to boost power and add an aggressive appearance, this system features a 5-inch aluminized steel construction for durability and long-lasting performance. The free-flowing performance muffler ensures optimal exhaust flow, improving horsepower and torque, while lowering exhaust gas temperatures.
A key feature of this system is the 6-inch OD polished exhaust tip, which gives your truck a bold, aggressive look, complementing its enhanced performance. The system is designed for easy installation, requiring only basic hand tools, so you can get back on the road quickly with a powerful upgrade.
Key Features:
- 5-Inch Aluminized Steel Construction for strength and corrosion resistance.
- Free-Flowing Performance Muffler for improved power, torque, and exhaust efficiency.
- 6-Inch OD Polished Exhaust Tip for an aggressive, eye-catching appearance.
- Easy Installation with a direct-fit design and no professional assistance required.
- Enhanced Sound and Performance for a more powerful exhaust tone and improved engine efficiency.
Upgrade your 5.9 Cummins with the MBRP S61180AL 5-Inch Installer Series Cat-Back Exhaust System—the perfect combination of power, durability, and style.