DIAMOND EYE K4234S CAT BACK EXHAUST SYSTEM FOR 04.5–07.5 DODGE RAM 2500/3500 5.9L CUMMINS 4 INCH PASSENGER SIDE WITH MUFFLER STAINLESS

DIAMOND EYE K4234S is a 4.0" T409 stainless steel cat-back exhaust system with a single passenger-side exit and straight-through muffler for 2004.5–2007.5 Dodge Ram 2500/3500 5.9L Cummins (all common cab/bed lengths). Mandrel bends reduce backpressure for lower EGTs, quicker spool, and a deep, controlled tone while retaining the factory catalytic converter location.

FAQ: WILL THIS FIT MY TRUCK?

Yes—if you have a 2004.5, 2005, 2006, or early 2007 5.9L Cummins Ram 2500/3500 (common-rail 600/610 models). It’s a 4" cat-back with single passenger-side exit designed for trucks that keep the OE catalytic converter.

FAQ: WHAT MATERIAL IS IT?

T409 stainless steel (Diamond Eye Performance), ideal for long-term durability in harsh climates.

FAQ: DOES IT INCLUDE A MUFFLER?

Yes, this K4234S kit includes a straight-through muffler. (No-muffler variant is K4234S-RP.)

Fitment Details

• Vehicle: 2004.5–2007.5 Dodge Ram 2500/3500 with 5.9L Cummins (common-rail “600/610”)
• Configuration: 4" cat-back, single side exit (passenger side); uses OE catalytic converter location
• Cab/Bed: Compatible with all common cab & bed combinations that accept single side-exit routing
• Material: T409 stainless steel

Cross-Reference / Alternatives (MBRP-only, internal links)

• MBRP S6108409 — 4" T409 Stainless Cat-Back, Single Side Exit
• MBRP S6108AL — 4" Aluminized Cat-Back, Single Side Exit
• MBRP S61180AL — 5" Aluminized Cat-Back, Single Side Exit

Specifications