Product Description
DIAMOND EYE K5256S is a 5.0" T409 stainless DPF-back exhaust built for 2013–2018 Ram Cummins applications that use the leaf-spring rear suspension (primarily 3500). This single, passenger-side exit system improves flow after the DPF while retaining factory emissions equipment. Mandrel bends, OE-style hangers, and a direct-fit layout make installation straightforward.
FAQ: WHAT DIAMETER IS THIS KIT?
It is a 5.0" (five-inch) system per Diamond Eye’s official listing and installation sheet.
FAQ: WILL IT FIT MY TRUCK?
Fits many 2013–2018 Ram 3500 6.7L Cummins (all cab/bed lengths) with leaf-spring rear suspension. Does not fit 2014–2018 Ram 2500 coil-spring trucks. Some retailers note 2013 Ram 2500 long-bed as compatible—verify your suspension and wheelbase before ordering.
FAQ: DOES IT INCLUDE A TIP?
No. This configuration ships without a tip so you can choose your preferred style.
Fitment Details
- Engine: 6.7L Cummins (Turbo Diesel)
- Chassis: Ram 3500 (leaf-spring rear), select 2013 Ram 2500 LB per retailer notes
- Years: 2013–2018 (see suspension note above)
- Exit: Single, passenger-side
Cross-Reference & Related Items
- K5256A — 5" aluminized version of this kit (same general fitment)
- K4257S — 4" stainless DPF-back designed for 2500 long-bed/selected wheelbases
- Installation Sheet (PDF): Diamond Eye K5256S instructions
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K5256S |
| UPC | 841963110388 |
| GTIN | 0841963110388 (UPC-A) |
| System Type | DPF-back |
| Tubing Diameter | 5.0" |
| Material | T409 stainless steel |
| Exit | Single, passenger-side (no tip included) |
| Hangers/Clamps | OE-style hangers; band/U-bolt clamps as supplied |
| Shipping Weight | ~65 lb |
| Package Dimensions | 52" x 21" x 13" |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
