Product Description
DIAMOND EYE K4211A-RP is a 4.0" aluminized steel turbo-back exhaust with a muffler for the 1989–1993 Dodge Ram 2500/3500 5.9L Cummins (4WD). It’s a single side-exit system engineered to reduce backpressure and improve turbo response on 1st-Gen trucks.
FAQ: WILL THIS FIT MY TRUCK?
Yes, if you have a 1989–1993 Ram 2500/3500 5.9L Cummins 4x4. All cab/bed lengths are supported. (2WD kits use different routing.) Always confirm year, drive type, and turbo outlet before ordering.
FAQ: WHAT’S INCLUDED?
Turbo-back tubing, muffler, hangers and hardware per the Diamond Eye install sheet. Tips are typically sold separately.
FAQ: IS THERE A STRAIGHT-PIPE (NO MUFFLER) OPTION?
Yes — Diamond Eye offers a muffler-delete version in the same family, and you can also consider MBRP PLM/AL alternatives in Cross-Reference below.
Fitment Details
- Vehicle: 1989–1993 Dodge Ram 2500/3500, 5.9L Cummins, 4WD only
- Configuration: 4" turbo-back, single side exit, with muffler
- Notes: All cab and bed lengths; verify turbo outlet/downpipe interface prior to install
Cross-Reference / Alternatives (MBRP-only)
- MBRP S6150AL — 4" Turbo-Back, Single Side Exit, Aluminized, 4WD (with muffler)
- MBRP S6150PLM — 4" Turbo-Back, Single Side Exit, Aluminized, 4WD, No Muffler
- MBRP S6148AL — 4" Turbo-Back, Single Side Exit, Aluminized, 2WD only
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K4211A-RP |
| UPC | 841963103243 |
| GTIN | 0841963103243 (UPC-A) |
| Tubing Diameter | 4.0" |
| Material | Aluminized steel |
| Exit | Single side |
| Drive | 4WD only |
| Ship Weight | ~69 lb (boxed) |
| Package Dimensions | 21" H x 13" W x 52" L |
| Install Sheet | K4211A.pdf |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
