Product Description
DIAMOND EYE K4259S is a 4.0" T409 stainless DPF-back exhaust engineered for the 2014 Ram 2500 6.7L Cummins (Crew Cab, Short Box). This single-passenger-side exit system bolts on after the DPF to improve post-filter flow and give a clean, deeper tone—no tuning required.
FAQ: WILL THIS FIT MY TRUCK?
Yes, if you have a 2014 Ram 2500 6.7L Cummins Crew Cab Short Box. This kit is specified for the 2500 platform with the factory coil-spring rear suspension (DPF-back, single side exit). Always confirm cab/bed length and rear suspension style before ordering.
FAQ: DOES THIS REQUIRE TUNING OR EMISSIONS DELETE?
No. It installs after the emissions equipment as a DPF-back system and does not require tuning or deletes.
FAQ: WHAT MATERIAL IS USED?
T409 stainless steel for corrosion resistance and long service life in year-round climates.
Fitment Details
- Vehicle: 2014 Ram 2500, 6.7L Cummins, Crew Cab, Short Box
- Configuration: 4" diameter, DPF-back, single passenger-side exit
- Notes: Designed around the 2500 coil-spring rear; confirm your truck’s cab/bed combo and rear suspension before purchase.
Cross-Reference / Alternatives (MBRP-only)
- MBRP S61650AL — 5" Filter-Back, Single Side (Aluminized)
- MBRP S61640409 — 5" Filter-Back, Single Side (T409 Stainless)
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K4259S |
| UPC | 841963105490 |
| GTIN | 0841963105490 (UPC-A) |
| System Type | DPF-Back, Single Side Exit |
| Tubing Diameter | 4.0" |
| Material | T409 Stainless Steel |
| Exit Location | Passenger Side (single) |
| Vehicle Fit | 2014 Ram 2500, 6.7L Cummins, Crew Cab, Short Box |
| Shipping Weight | ~25 lb |
| Package Dimensions | ~52" x 21" x 13" |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
