Product Description
DIAMOND EYE K4321A-RP is a 4.0" aluminized steel turbo-back exhaust system for the 2000–2003.5 Ford F-250/F-350 Super Duty 7.3L Power Stroke. This kit deletes the muffler for maximum flow and features a split rear/side (dual outlet) tailpipe configuration to sharpen exhaust tone and improve under-load evacuation.
FAQ: WILL THIS FIT MY TRUCK?
Yes—if you have a 7.3L Power Stroke F-250/F-350 built from 2000 up to early 2003 (a.k.a. 2003.5) this system is designed to fit all cab and bed lengths. Always verify your build year and emission equipment before ordering.
FAQ: WHAT’S INCLUDED?
Turbo-back 4" aluminized tubing, downpipe, intermediate & tail sections, clamps/hardware, and dual-exit tip section. Utilizes factory-style hangers for an easier bolt-on install.
FAQ: DOES IT HAVE A MUFFLER?
No muffler is included by design for reduced backpressure and a more aggressive tone.
FAQ: STREET/EMISSIONS NOTE
This performance exhaust is intended for applicable 7.3L diesel trucks outside of emissions-controlled areas where required. Check local regulations before purchase and use.
Fitment Details
- Vehicle: 2000–2003.5 Ford F-250/F-350 Super Duty 7.3L Power Stroke
- Configuration: Works with all cab & bed lengths
- System Type: Turbo-back, 4.0" diameter
- Outlet: Split rear/side (dual exit)
Cross Reference & Related Items
- K4319A-RP: Diamond Eye 4" turbo-back, single-pass, no muffler (same years/engine)
- K4321S-RP: Diamond Eye 4" turbo-back, split rear/side, stainless steel variant
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K4321A-RP |
| UPC | 841963125092 |
| GTIN | 0841963125092 (UPC-A) |
| Material | Aluminized steel |
| Tubing Diameter | 4.0" |
| System Layout | Turbo-back, dual-out (split rear/side), no muffler |
| Includes | Downpipe, intermediate & tail sections, clamps/hardware |
| Shipping | Free shipping (CPP Diesel). Dimensional carton approx. 52" x 21" x 13". |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
