Product Description
DIAMOND EYE 510215 is a 3.5" in / 3.5" out, 32" overall Performance Series diesel exhaust muffler engineered for 2003–early 2004 Dodge Ram 2500/3500 5.9L Cummins. Built for flow and a clean, deep tone, it’s a direct-fit replacement within Diamond Eye’s 03–early 04 exhaust layout.
Fitment Details
- Vehicle: 2003–early 2004 Ram 2500/3500, 5.9L Cummins (all cab/bed lengths)
- Configuration: Performance Series muffler, 3.5" inlet / 3.5" outlet, ~32" overall length
- Finish / Material: Aluminized steel
Cross-Reference / Alternatives (Diamond Eye only)
- For 2004.5–early 2007 5.9L Cummins (4" system) — DIAMOND EYE 510216 (4" inlet/outlet, 35" OAL, steel)
- Stainless alternative for 2004.5–early 2007 — DIAMOND EYE 510217 (4" inlet/outlet, 35" OAL, stainless)
FAQ: WILL THIS MUFFLER FIT MY 2003–EARLY 2004 TRUCK?
Yes, if you are running the factory-style 3.5" Performance Series layout used on 2003–early 2004 5.9L Cummins. Always match the year range on the part listing.
FAQ: WHAT SOUND SHOULD I EXPECT?
A deeper, controlled diesel tone without excessive drone, designed for daily driving and towing.
FAQ: WHAT IF I UPGRADE TO A 4" SYSTEM?
Use the Diamond Eye 4" mufflers above (510216 steel or 510217 stainless) that match the 2004.5–early 2007 4" layout.
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | 510215 |
| UPC | 841963117721 |
| GTIN | 0841963117721 (UPC-A) |
| Inlet / Outlet | 3.5" / 3.5" |
| Overall Length | 32" (approx.) |
| Material / Finish | Aluminized steel |
| Vehicle Fit | 2003–early 2004 Ram 2500/3500 5.9L Cummins |
| Shipping | Calculated at checkout |
| Ship Dimensions | ~9" W × 9" H × 37" L (reference) |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
| SKU (CPP) | DEM510215 |
| Series | Performance Series |
