Product Description
MBRP S6104409 is a 4-inch turbo-back, single-side exit exhaust built from durable T409 stainless steel for 2003–2004 Dodge Ram 2500/3500 trucks equipped with the 5.9L Cummins (305 HP) and 4WD. Engineered to reduce backpressure and sharpen throttle response, this Armor Plus–grade system delivers that clean MBRP tone with long-term corrosion resistance.
Fitment
- 2003–2004 Dodge Ram 2500/3500, 5.9L Cummins (305 HP), 4WD only.
- Turbo-back configuration for 03–04 model years (downpipe-forward replacement).
- Intended for trucks matching OE 2003–2004 exhaust layout; verify your cab/bed length and drivetrain before ordering.
Cross-Reference / Alternatives (MBRP Only)
- MBRP S6104AL — 4" Turbo-Back, Aluminized Steel, 03–04 Cummins.
- MBRP S6104P — 4" Turbo-Back, Performance Series, 03–04 Cummins.
- MBRP S61140AL — 5" Turbo-Back, Aluminized, 03–04 Cummins.
- MBRP S61140PLM — 5" Turbo-Back, PLM Series (no muffler), 03–04 Cummins.
- MBRP S61140409 — 5" Turbo-Back, T409 Stainless (Race Profile), 03–04 Cummins.
Why Buy from CPP Diesel
- Diesel-specialist support and fast shipping.
- Carefully curated parts that fit and perform as promised.
FAQ
Will this fit my 2WD 2003–2004 Ram?
No. This specific S6104409 system is listed for 4WD 2003–2004 Ram 2500/3500 5.9L Cummins (305 HP) models.
What material is used?
T409 stainless steel (Armor Plus grade) for strong corrosion resistance and long service life.
Is this a full turbo-back kit?
Yes, S6104409 is a turbo-back system for 2003–2004 trucks, replacing factory exhaust from the turbo outlet back when installed per MBRP’s fitment.
Do you offer bigger (5") MBRP options for the same trucks?
Yes — see the 5" turbo-back alternatives above (S61140AL, S61140PLM, S61140409) for 2003–2004 Cummins.
