Product Description
DIAMOND EYE 121027 EXHAUST PIPE — 4" TAIL PIPE (2003–EARLY 2007 DODGE RAM 2500/3500 5.9L CUMMINS) — PASSENGER-SIDE EXIT — PERFORMANCE SERIES ALUMINIZED STEEL
Diamond Eye’s 121027 is the direct-fit 4-inch passenger-side exit (second/exit section) tail pipe for 2003–early 2007 Dodge Ram 2500/3500 5.9L Cummins. Built in the USA from Performance Series aluminized steel, it’s mandrel-bent for smooth flow, durability, and an OE-style fit that finishes your turbo-back or cat-back the right way.
Fitment
- Vehicle: Dodge Ram 2500/3500 (HD)
- Engine: 5.9L Cummins
- Years: 2003, 2004, 2005, 2006, early 2007
- Location/Section: Passenger-side exit, second/exit section tail pipe
- Tubing Diameter: 4.0 in (101.6 mm)
- Series / Material: Performance Series — Aluminized Steel
Why Buy From CPP Diesel
- Knowledgeable diesel specialists with parts that actually fit the platform
- Fast shipping and helpful support
- Curated Diamond Eye selection for Cummins builds
Cross-Reference / Alternatives (Diamond Eye Only)
Need a different section or related pipe? See these Diamond Eye options on CPP Diesel:
- 261004 — 4" First Section, Passenger Side, 94–Early 07 Cummins
- 221004 — 4" First Section, 94–Early 07 Cummins
- 222060 — 5" First Section, 04.5–Early 07 Cummins
Specifications for DIAMOND EYE 121027
| Attribute | Value |
|---|---|
| Brand | Diamond Eye Performance |
| Part Number | 121027 |
| Material / Series | Aluminized Steel — Performance Series |
| Main Piping Diameter | 4.0 in (101.6 mm) |
| Section / Exit | Passenger-Side Exit — Second/Exit Section |
| Country of Origin | USA |
| UPC | 841963111750 |
| GTIN | 00841963111750 |
| Shipping Weight | ~12 lb |
| Package Dimensions | ~53 in × 13 in × 9 in |
| Shipping Method | Standard Ground |
| Prop 65 Warning | This product may contain chemicals known to the State of California to cause cancer or reproductive harm. Learn more. |
FAQ
Is this the correct tail pipe for early 2007 5.9L Cummins trucks?Yes — 121027 is the 4" passenger-side exit tail pipe for 2003–early 2007 Ram 2500/3500 with the 5.9L Cummins. (Late-2007 6.7L trucks use different components.)
What material is the 121027 made from?
It’s part of Diamond Eye’s Performance Series and built from aluminized steel for a balance of value, durability, and corrosion resistance.
Does it include clamps or hardware?
This listing is for the tail pipe section only. Reuse existing hardware or add compatible Diamond Eye clamps and adapters as needed.
Will this fit with my existing Diamond Eye or OE mid-pipe?
Yes, it’s designed as a direct-fit exit section for the specified years/engine. Match to a 4" system for best fit and sealing.
