Product Description
DIAMOND EYE K4340A-RP is a 4.0" dual-exit, aluminized-steel CAT-back exhaust for the 2003–2007 Ford F-250/F-350 6.0L Powerstroke. This kit replaces the muffler with a straight section for maximum flow and an aggressive tone, and includes tubing for split rear or split side exit routing. Designed for all cab and bed lengths on 4x4 trucks only.
FAQ: WILL THIS FIT MY TRUCK?
Yes—if you have a 2003.5–2007 Ford F-250/F-350 6.0L Powerstroke 4x4. Diamond Eye specifies all cab/bed lengths and 4x4 applications only. Always verify your production year (mid-2003 and newer) before ordering.
FAQ: DOES THIS KIT INCLUDE A MUFFLER?
No. The -RP designation is a muffler replacement pipe (straight-pipe). It’s intended for customers who want the most flow and sound from a CAT-back configuration.
FAQ: WHAT DIAMETER & MATERIAL?
It’s a 4.0" diameter system made from aluminized steel for value, durability, and corrosion resistance.
Fitment Details
- Vehicle: 2003.5–2007 Ford F-250 / F-350 Super Duty, 6.0L Powerstroke
- Drivetrain: 4x4 only
- Cab/Bed: All cab and bed lengths
- System Type: CAT-back dual, split rear / split side exits
Cross-Reference / Related Items
- K4340A — Same system with muffler (aluminized)
- K4340S — Stainless dual CAT-back (with muffler)
- K4340S-RP — Stainless dual CAT-back no muffler (muffler replacement pipe)
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K4340A-RP |
| UPC | 841963107876 |
| GTIN | 0841963107876 (UPC-A) |
| Diameter | 4.0" |
| Exits | Dual — Split Rear / Split Side |
| Material | Aluminized Steel |
| Application Notes | All cab/bed lengths, 4x4 only, 2003.5+ model year |
| Shipping Weight | ~77–83 lb typical |
| Package Dimensions | 52" L x 13" W x 21" H |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
