Product Description
Diamond Eye 121026 — 4" Second-Section Passenger-Side Tail Pipe (1994–Early 2007 Dodge Ram 2500/3500 5.9L Cummins)
Replace a damaged section or finish your system with the DIAMOND EYE 121026 second-section, passenger-side tail pipe. Built for long service life and smooth flow, this Performance Series pipe uses mandrel bends to reduce backpressure and keep EGTs in check on your 5.9L Cummins workhorse.
Key Features
- Direct-fit coverage: 1994–early 2007 Dodge Ram 2500/3500, 5.9L Cummins, passenger-side second section.
- 4.0" diameter: Supports stock to tuned builds with lower restriction and deeper tone.
- Mandrel-bent construction: Maintains cross-section through bends for better flow.
- Performance Series build: Designed for daily use, towing, and longevity.
Fitment
- Dodge Ram 2500/3500 — 1994–early 2007 (2nd Gen & early 3rd Gen), 5.9L Cummins, passenger-side tail pipe, second section.
Cross-Reference / Alternatives (Diamond Eye only)
- DIAMOND EYE 221004 — 4" FIRST-SECTION passenger-side tail pipe (pairs ahead of 121026).
- DIAMOND EYE 221005 — 4" SECOND-SECTION tail pipe for single-exit systems (aluminized).
- DIAMOND EYE 261004 — 4" FIRST-SECTION passenger-side tail pipe, stainless.
- DIAMOND EYE 261005 — 4" SECOND-SECTION passenger-side tail pipe, stainless.
Specifications
| Specification | Value |
|---|---|
| Brand | Diamond Eye Performance |
| Part Number | 121026 |
| UPC (GTIN-12) | 841963111743 |
| GTIN (formatted) | 0841963111743 |
| Main Piping Diameter | 4.0 inches |
| Section / Side | Second section, passenger side |
| Vehicle Fitment | 1994–early 2007 Dodge Ram 2500/3500 5.9L Cummins |
| Package Dimensions | 9 × 13 × 53 in |
| Shipping Weight | ~12 lb |
| Series / Material | Performance Series; steel construction |
| Prop 65 | This product can expose you to chemicals including nickel and chromium, known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. |
Helpful Notes
- Pairs with the first-section tail pipe (see 221004 or stainless 261004) to complete the passenger-side routing.
- Use quality band clamps and re-torque after a few heat cycles.
FAQ
Will this fit my 1998 or 2005 Ram 2500?Yes. This second-section tail pipe is listed for 1994–early 2007 Dodge Ram 2500/3500 5.9L Cummins as the passenger-side piece in 4" systems. Always verify your system configuration before ordering.
Is this the aluminized or stainless version?121026 is the Performance Series second section. If you want stainless steel, choose DIAMOND EYE 261005 (stainless second section).
What size is the tubing?4.0" outside diameter to match Diamond Eye 4" systems for these trucks.
Do I need the first section too?If your first section is missing or damaged, pair this with 221004 (aluminized) or 261004 (stainless) to complete the passenger-side assembly.
What are the ship dimensions/weight?Approx. 9 × 13 × 53 inches and about 12 lb packaged.
