Product Description
DIAMOND EYE K4214S is a 4.0" T409 stainless turbo-back dual-exit system with a straight-through muffler for 1994–2002 Dodge/Ram 2500–3500 5.9L Cummins trucks. Mandrel bends and an efficient perforated-core muffler reduce backpressure for lower EGTs and a deep, controlled tone.
FAQ: WHAT YEARS DOES THIS FIT?
Direct-fit for 1998.5–2002 (24-valve) 5.9L Cummins 2500/3500 (all cab/bed lengths). It can be installed on 1994–1997 (12-valve) trucks when converting to an HX40-style downpipe/hanger setup; see MBRP downpipe and hanger cross-refs below.
FAQ: WHAT MATERIAL IS IT?
T409 stainless steel tubing and components for corrosion resistance and long service life in winter/salt environments.
FAQ: WHAT EXIT STYLE?
Dual split rear/side exit (no tips included). Utilizes OE-style hangers for clean routing and clearance.
Fitment Details
- Vehicle: 1994–2002 Ram 2500/3500, 5.9L Cummins
- Direct fit: 1998.5–2002 (24V) — includes turbo downpipe
- 94–97 note: Requires HX40-style downpipe & appropriate rear hanger to run turbo-back duals
- Tubing Diameter: 4.0"
- Configuration: Single in / dual out, split rear/side, with muffler
- Material: T409 stainless steel
Cross-Reference / Alternatives (MBRP-only)
- MBRP DALHX40 HX40 4" Downpipe + Clamp (94–02) — required when converting 94–97 to HX40 outlet
- MBRP HG6100 Rear Frame Hanger (94–97) — needed for 94–97 turbo-back installs
- MBRP S6100409 4" Turbo-Back (98.5–02, T409) — single-side stainless alternative
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| Part Number (MPN) | K4214S |
| UPC | 841963103663 |
| GTIN | 841963103663 (GTIN-12 / UPC-A) |
| Material | T409 Stainless Steel |
| Main Tubing | 4.0" mandrel-bent |
| Exit | Dual split rear/side, no tips |
| Emissions Note | Downpipe section not CARB-legal for on-road use in CA (check local laws) |
| Shipping Weight | Typically 55–96 lb depending on configuration (with/without muffler) |
| Package Dimensions | Approx. 52" × 21" × 13" |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
