
MBRP DAL401 4" Aluminized Downpipe for 5.9 Cummins (1994-2002)
Transform your 5.9 Cummins engine from 1994 to 2002 with the MBRP DAL401 4" Aluminized Downpipe, designed to enhance both power and efficiency. Constructed with mandrel-bent tubing, this downpipe ensures a perfect fit while facilitating optimal exhaust flow, which significantly reduces exhaust gas temperatures.
By improving airflow, the DAL401 downpipe not only helps increase horsepower and torque but also contributes to a smoother, more responsive engine performance. The jig-manufactured design guarantees precision, ensuring that installation is straightforward and hassle-free.
Key Features:
- Enhanced Power and Efficiency: Designed to increase horsepower and improve fuel efficiency.
- Mandrel-Bent Tubing: Provides a seamless and unrestricted exhaust flow.
- Lower EGTs: Helps reduce exhaust gas temperatures for better engine performance.
- Perfect Fit: Engineered with a jig-manufactured design for easy installation.
Upgrade your exhaust system with the MBRP DAL401 4" Aluminized Downpipe and enjoy the benefits of increased power and efficiency for your 5.9 Cummins

MBRP DAL401 4" Aluminized Downpipe for 5.9 Cummins (1994-2002)
Transform your 5.9 Cummins engine from 1994 to 2002 with the MBRP DAL401 4" Aluminized Downpipe, designed to enhance both power and efficiency. Constructed with mandrel-bent tubing, this downpipe ensures a perfect fit while facilitating optimal exhaust flow, which significantly reduces exhaust gas temperatures.
By improving airflow, the DAL401 downpipe not only helps increase horsepower and torque but also contributes to a smoother, more responsive engine performance. The jig-manufactured design guarantees precision, ensuring that installation is straightforward and hassle-free.
Key Features:
Enhanced Power and Efficiency: Designed to increase horsepower and improve fuel efficiency.
Mandrel-Bent Tubing: Provides a seamless and unrestricted exhaust flow.
Lower EGTs: Helps reduce exhaust gas temperatures for better engine performance.
Perfect Fit: Engineered with a jig-manufactured design for easy installation.
Upgrade your exhaust system with the MBRP DAL401 4" Aluminized Downpipe and enjoy the benefits of increased power and efficiency for your 5.9 Cummins[...]
MBRP DAL401 4" Aluminized Downpipe for 5.9 Cummins (1994-2002)
Transform your 5.9 Cummins engine from 1994 to 2002 with the MBRP DAL401 4" Aluminized Downpipe, designed to enhance both power and efficiency. Constructed with mandrel-bent tubing, this downpipe ensures a perfect fit while facilitating optimal exhaust flow, which significantly reduces exhaust gas temperatures.
By improving airflow, the DAL401 downpipe not only helps increase horsepower and torque but also contributes to a smoother, more responsive engine performance. The jig-manufactured design guarantees precision, ensuring that installation is straightforward and hassle-free.
Key Features:
- Enhanced Power and Efficiency: Designed to increase horsepower and improve fuel efficiency.
- Mandrel-Bent Tubing: Provides a seamless and unrestricted exhaust flow.
- Lower EGTs: Helps reduce exhaust gas temperatures for better engine performance.
- Perfect Fit: Engineered with a jig-manufactured design for easy installation.
Upgrade your exhaust system with the MBRP DAL401 4" Aluminized Downpipe and enjoy the benefits of increased power and efficiency for your 5.9 Cummins