Product Description
MBRP S6104AL is a 4-inch turbo-back, single-side exit system built from aluminized steel (Armor Lite/Installer Series). It’s tuned for a bold street profile and includes a bolt-on, no-weld installation that reuses OEM hangers for a clean, fast upgrade.
Fitment
- Years: 2003–2004
- Make/Model: Dodge Ram 2500 / Ram 3500
- Engine: 5.9L Cummins (305 HP models)
- Configuration: 4" turbo-back, single side exit; includes 4" downpipe and tip
- Exclusions: Not for 2004.5 “emissions change” models; not for vehicles equipped with a catalytic converter (235 HP California model); not for sale in California.
Cross-Reference / Alternatives (MBRP Only)
- MBRP S6104409 – 4" Turbo-Back, T409 Stainless, 2003–2004 Ram 2500/3500 (4WD) 5.9L Cummins
- MBRP S61140AL – 5" Turbo-Back, Aluminized, 2003–2004 Ram 2500/3500 5.9L Cummins
- MBRP S61140PLM – 5" Turbo-Back, Aluminized, no muffler, 2003–2004 Ram 2500/3500 5.9L Cummins
- MBRP S61140409 – 5" Turbo-Back, T409 Stainless, 2003–2004 Ram 2500/3500 5.9L Cummins
Why Buy from CPP Diesel
- Genuine MBRP systems, fast shipping, and real diesel tech support.
- Clear fitment guidance for the 2003–2004 5.9L Cummins platform.
- Options above to match your material, diameter, and sound goals.
Helpful Notes
- Verify your truck is a 2003–early 2004 (305 HP) model without a catalytic converter before ordering.
- Typical install time ~1.5–2 hours with standard hand tools.
FAQ
Will S6104AL fit my 2004.5 (emissions-change) truck?
No. This system is for 2003–early 2004 305 HP models and excludes 2004.5 emissions-change trucks.
Does this work on trucks with a catalytic converter?
No. It is not for vehicles equipped with a catalytic converter (235 HP California model).
What material is S6104AL and how does it compare to stainless?
Aluminized steel (Armor Lite/Installer Series) offers strong value. For maximum corrosion resistance, see the stainless alternative S6104409.
Is it truly bolt-on?
Yes—direct fit to OEM hangers with clamps included; no welding required in typical installs.
What tip style is included?
Single-wall, rolled angle-cut tip; formed from T304 stainless.
