Product Description
DIAMOND EYE K4236S-RP is a 4.0" T409 stainless cat-back system for the 2004.5–2007.5 Ram 2500/3500 5.9L Cummins. It’s a single-in / dual-out (split-rear) configuration with a muffler replacement pipe (no muffler), mandrel-bent for flow, and designed to bolt to factory hangers for a clean, clamp-together install. Free shipping from CPP Diesel.
FAQ: WILL THIS FIT MY TRUCK?
Yes—fits 2004.5–2007.5 Ram 2500/3500 with the 5.9L Cummins (all cab & bed lengths). This kit is cat-back and uses the OEM hangers. Always verify your model year is 2004.5 or newer (Cummins “600/610”).
FAQ: DOES IT INCLUDE A MUFFLER?
No. This -RP version includes a muffler replacement pipe for an aggressive tone and maximum flow. If you prefer a quieter setup, consider the muffled K4236S variant.
FAQ: WHAT MATERIAL IS IT?
T409 stainless steel for excellent durability against heat cycles and road grime. Tips are sold separately.
Fitment Details
- Vehicle: 2004.5–2007.5 Dodge/Ram 2500 & 3500, 5.9L Cummins
- System Type: 4" cat-back, single in / dual out (split rear)
- Hangers: Uses factory hanger locations; clamp-together install
Cross-Reference / Alternatives (MBRP on CPP Diesel)
- MBRP S6108409 — 4" T409 stainless cat-back, single side exit (04.5–07 5.9L)
- MBRP S6108AL — 4" aluminized cat-back, single side exit (04.5–07 5.9L)
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K4236S-RP |
| UPC | 841963104608 |
| GTIN | 0841963104608 (GTIN-12 / UPC-A) |
| Material | T409 Stainless Steel |
| Tubing Diameter | 4.0" |
| Configuration | Cat-Back, Single In / Dual Out (Split Rear) |
| Includes Muffler | No — includes muffler replacement pipe |
| Emissions Note | Cat-back system; retains catalytic converter (where equipped) |
| Shipping | Free Shipping from CPP Diesel |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
