Product Description
DIAMOND EYE 221078 is the 4.0" first-section, driver-side tail pipe for 2004.5–early 2007 Dodge Ram 2500/3500 5.9L Cummins. It’s part of Diamond Eye’s Performance Series in aluminized steel, designed for smooth flow, solid fitment, and long service life.
FAQ: WILL THIS FIT MY 2004.5–EARLY 2007 5.9L?
Yes—this section fits 2004.5–early 2007 Ram 2500/3500 5.9L Cummins (all cab/bed), driver-side, first tailpipe section in a 4" single-exit layout. Always confirm your build year is 2004.5–early 2007 (not early ’03–’04 or late ’07.5+ 6.7L).
FAQ: WHAT MATERIAL AND DIAMETER?
Aluminized steel, 4.0" diameter. It’s the OEM-location replacement/upgrade piece within Diamond Eye Performance Series systems for this platform.
FAQ: WHAT IF I NEED THE MATCHING SECTIONS OR STAINLESS?
See the Cross-Reference list below for the stainless equivalent and the matching second section for the driver side.
Fitment Details
- Platform: 2004.5–early 2007 Dodge Ram 2500/3500, 5.9L Cummins (common-rail)
- Configuration: 4.0" single, driver side, first tailpipe section
- Cab/Bed: All cab and bed lengths
- Series: Diamond Eye Performance Series (aluminized steel)
Cross-Reference / Alternatives (Diamond Eye on CPP Diesel)
- Stainless equivalent (first section, driver-side): DIAMOND EYE 261078
- Matching second section, driver-side (aluminized): DIAMOND EYE 221079
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| Part Number (MPN) | 221078 |
| UPC | 841963113822 |
| GTIN | 0841963113822 (GTIN-12 / UPC-A) |
| Main Pipe Diameter | 4.0" |
| Position / Section | Driver side, first tailpipe section |
| Material / Finish | Aluminized steel (Performance Series) |
| Shipping Weight | ~ (store listed) — see checkout |
| Package Dimensions | Approx. 53" (L) x 13" (W) x 9" (H) |
| Shipping | Calculated at checkout |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
