MBRP
MBRP 2003-2004 Dodge Cummins 4 Down-Pipe
MBRP 2003-2004 Dodge Cummins 4 Down-Pipe
Part number: 0WU1D
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- Free fitment check before you order
Listed for: 2003–2004 Dodge Cummins 4 Down-PipeFitment notes & questions
4 Down-Pipe by MBRP, made to fit the 2003–2004 Dodge Cummins as listed below. Highlights include 4" Down-Pipe, T409 and get even more exhaust flow with this 4" Down Pipe. Rust and broken hangers are the usual reasons exhaust parts get replaced. The fitment section lists 3 applications for the 2003–2004 Dodge Cummins.
Key features
- 4" Down-Pipe, T409
- Get even more exhaust flow with this 4" Down Pipe
Specifications
- Brand: MBRP
- Part type: Exhaust part
Fitment for the 2003–2004 Dodge Cummins
- 2003 Dodge Ram 2500 Laramie
- 2003 - 2004 Dodge Ram 2500 ST, SLT
- 2003 - 2004 Dodge Ram 3500 ST, SLT, Laramie
Check your year, model, engine and trim against this list before you order.
What it does
A performance exhaust changes the sound and can improve flow; replacement parts restore a quiet, leak-free system. Exhaust parts carry gases away from the engine; replacing rusted or restrictive parts fixes leaks and noise, and performance designs can add flow and sound.
Installation & tips
- Check local noise and emissions rules, and use new gaskets and hangers when you fit it.
- Clamps and hangers: Old hardware is usually rusted.
- Gaskets: New gaskets prevent leaks at each joint.
- Work on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.
FAQ
How many vehicles is it listed for?
3 applications are listed in the fitment section above.
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.
Before you order
- Confirm your year, make, model and trim match the fitment listed above (2003–2004 Dodge Cummins).

About this exhaust part for the Dodge Cummins 4 Down-Pipe
Rust and broken hangers are the usual reasons exhaust parts get replaced.
Fitment notes
- Listed for: 2003–2004 Dodge Cummins 4 Down-Pipe.
- Model years: 2003–2004. If your year sits at the edge of the range, check the details above.
- Specs, lead time and warranty come from MBRP and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentParts that usually go with it
- Clamps and hangers. Old hardware is usually rusted.
- Gaskets. New gaskets prevent leaks at each joint.
More for your car: Dodge Parts · Exhaust
Questions about Dodge Cummins 4 Down-Pipe exhaust part
Will this fit my Dodge Cummins 4 Down-Pipe?
Is this street legal where I live?
Where do specs and warranty details come from?
Questions & answers
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