The CORSA 8004002 Diesel Muffler is a direct-fit replacement muffler engineered for 5.9L Cummins diesel Dodge Ram and Ford Power Stroke Super Duty trucks. MPN 8004002 uses a straight-through design to tame diesel clatter while preserving exhaust flow across a wide range of Ram 2500/3500 and Ford F-250/F-350 model years.
Key Features
- Direct-fit replacement muffler, MPN 8004002.
- Reduces diesel clatter without sacrificing exhaust flow.
- Aluminized steel construction for corrosion resistance.
- Corsa Chevrolet Duramax Diesel 6.2L Muffler.
- Locate and remove the factory muffler from the exhaust system.
- Position the CORSA 8004002 muffler in place and loosely secure with clamps.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 1989-1993 | Dodge | D250 | Base |
| 1989-1993 | Dodge | D350 | Base |
| 1989-1993 | Dodge | W250 | Base |
| 1989-1993 | Dodge | W350 | Base |
| 1994-2002 | Dodge | Ram 2500 | Base |
| 1994-2002 | Dodge | Ram 3500 | Base |
| 1999-2021 | Ford | F-250 | |
| 1999-2021 | Ford | F-350 | |
| 2000-2003 | Ford | Excursion | Limited |
| 2000-2003 | Ford | Excursion | XLT |
| 2003-2007 | Dodge | Ram 3500 | Laramie |
| 2003-2007 | Dodge | Ram 3500 | SLT |
| 2003-2007 | Dodge | Ram 3500 | ST |
| 2003-2010 | Dodge | Ram 2500 | SLT |
| 2003-2010 | Dodge | Ram 2500 | ST |
| 2003 | Dodge | Ram 2500 | Laramie |
| 2003 | Ford | Excursion | Eddie Bauer |
| 2005-2010 | Dodge | Ram 2500 | Laramie |
| 2006-2007 | Dodge | Ram 2500 | Sport |
| 2006-2007 | Dodge | Ram 2500 | TRX4 |
| 2006-2007 | Dodge | Ram 3500 | Sport |
| 2007 | Dodge | Ram 3500 | TRX4 |
| 2008-2010 | Dodge | Ram 2500 | SXT |
| 2010 | Dodge | Ram 2500 | TRX |
| 2018-2020 | Ram | 2500 | Laramie Longhorn |
| 2018-2020 | Ram | 3500 | Laramie Longhorn |
| 2018-2021 | Ram | 2500 | Big Horn |
| 2018-2021 | Ram | 2500 | Laramie |
| 2018-2021 | Ram | 2500 | Limited |
| 2018-2021 | Ram | 2500 | Tradesman |
| 2018-2021 | Ram | 3500 | Big Horn |
| 2018-2021 | Ram | 3500 | Laramie |
| 2018-2021 | Ram | 3500 | Limited |
| 2018-2021 | Ram | 3500 | SLT |
| 2018-2021 | Ram | 3500 | Tradesman |
| 2018 | Ram | 2500 | SLT |
| 2019-2021 | Ram | 2500 | Lone Star |
| 2019-2021 | Ram | 3500 | Lone Star |
| 2021 | Ram | 2500 | Limited Longhorn |
| 2021 | Ram | 3500 | Limited Longhorn |
Specifications
| Manufacturer | CORSA Performance |
|---|---|
| Manufacturer Part Number | 8004002 |
| Product Type | Muffler |
| Fitment Type | Vehicle specific |
| Engine Application | 5.9L Diesel |
| Design | Straight-through muffler |
| Material | Aluminized steel |
| Prop 65 | Yes |
What's Included
- CORSA 8004002 muffler
- Installation hardware where applicable
- Installation instructions
About CORSA Performance
CORSA Performance develops vehicle-specific and universal intake and exhaust components with an emphasis on application-specific engineering, durable materials, controlled sound, and precise fit. Product configuration and installation requirements remain exact-part-number specific.
Related CORSA Performance Products
- Corsa Chevrolet Duramax Diesel 6.2L Muffler
- Corsa PRO-Series Tuned 304SS Muffler 2.5in Dual Inlet/Outlet - 22.25in OAL
- Corsa PRO-Series Tuned 304SS Muffler 2.5in Single Inlet / Dual Outlet - 19in OAL
Browse the CORSA Performance collection for related exhaust, intake, and engine-bay upgrades.
Frequently Asked Questions
Will this CORSA product fit my 1989-1993 Dodge D250?
That vehicle range is listed, but confirm the exact manufacturer part number, trim, cab or body style, factory exhaust or intake configuration, and every application note before ordering.
How should I choose the correct CORSA exhaust configuration?
Compare sound level, pipe diameter, exit location, tip finish, factory valve or active-exhaust requirements, cab and bed or body configuration, and the exact part number.
Does this CORSA exhaust require professional installation?
Vehicle-specific systems are generally bolt-on when the exact application matches. Universal components can require cutting and welding. Professional installation helps ensure alignment, clearance, sealing, and correct clamp torque.
Installation Instructions
Professional fabrication is recommended. Confirm flow direction and dimensions, support the exhaust without preload, maintain body and heat clearance, weld or clamp all joints correctly, test for leaks, and inspect the installation after the first heat cycle.
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