Product Description
Diamond Eye K4319A – 4" Aluminized Turbo-Back Exhaust (With Muffler) for 2000–2003.5 Ford F-250/F-350 7.3L
Unlock your 7.3L Power Stroke’s potential with the Diamond Eye K4319A turbo-back exhaust. This 4" aluminized steel system reduces backpressure, improves turbo spool, and delivers a clean, authoritative tone thanks to the included performance muffler. Designed as a direct-fit upgrade for long service life and easy installation.
Key Features
- 4.0" mandrel-bent aluminized steel tubing
- Single passenger-side rear exit, with performance muffler
- Bolt-on fitment with vehicle-specific hangers
- Lower EGTs and improved throttle response
- All cab & bed lengths supported (see Fitment)
Fitment
- Vehicle: Ford F-250 & F-350 Super Duty, 7.3L Power Stroke diesel
- Years: 2000, 2001, 2002, early 2003 (a.k.a. 2000–2003.5)
- Configuration: All cab and bed lengths
- Notes: For automatic-trans/non-catalyst models typical of 2000–early-2003 production. Not designed for California emissions-equipped trucks.
What’s Included
- Turbo-back 4" aluminized tubing set
- Performance muffler
- Hangers & hardware (as supplied by Diamond Eye)
- Installation instructions
Cross-Reference / Alternatives (Diamond Eye only)
- K4319A-TD – 4" Aluminized, Turn-Down, With Muffler
- K4319A-TDRP – 4" Aluminized, Turn-Down, Muffler Delete
- K4319S – 4" T409 Stainless, Single Exit
- K4327A – 4" Aluminized, Cab/Chassis
Helpful Add-Ons (Diamond Eye)
- L40AA – 4" Torca Lap-Joint Band Clamp (Aluminized)
- BC400A – 4" Torca Band Clamp (Aluminized)
- 454000 – 4" U-Bolt Saddle Clamp (Zinc-Coated)
Specifications
| Specifications for K4319A | Details |
|---|---|
| Brand | Diamond Eye Performance |
| Part Number | K4319A |
| UPC (GTIN-12) | 841963124804 |
| Tubing Diameter | 4.0 inches |
| Material / Finish | Aluminized steel |
| Exit | Single, passenger-side rear |
| Muffler | Included (performance muffler) |
| Engine Compatibility | 7.3L Power Stroke Diesel |
| Vehicle Compatibility | 2000–2003.5 Ford F-250/F-350 Super Duty (all cab/bed) |
| Country of Origin | Not specified |
| Shipping Method | Ground (oversize box) |
| Package Dimensions | Not specified |
| Approx. Shipping Weight | Not specified |
| Prop 65 Warning | ⚠️ Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
Helpful Notes
- Intended for 2000–early-2003 (2003.5) non-catalyst configurations common on federal-emissions trucks.
- Not CARB legal; not for sale or use in California emissions-controlled vehicles.
- Tip not included unless otherwise specified.
FAQ
Will this fit my 2000–2003.5 7.3L F-250/F-350 regardless of cab/bed?Yes. This kit is engineered for all cab and bed combinations within the supported years and engine noted in Fitment.
Does K4319A include a muffler?
Yes. The K4319A configuration includes a performance muffler. If you want a straight-pipe option, see K4319A-TDRP (muffler delete) in the Cross-Reference section above.
Is any welding required?
No. It’s designed as a bolt-on system using supplied clamps and hangers. Optional Diamond Eye band clamps are listed above for a cleaner install.
Is this system legal in California?
No. This product is not CARB-approved and is not for sale or use on pollution-controlled vehicles in California.
