Product Description
DIAMOND EYE K4319S is a 4.0" T409 stainless, turbo-back, single-exit exhaust system engineered for the 2000–2003.5 Ford F-250/F-350 7.3L Power Stroke. It includes a performance muffler and passenger-side tailpipe for lower EGTs, improved throttle response, and a deeper exhaust note.
FAQ: WILL IT FIT MY TRUCK?
Fits all cab/bed lengths of 2000, 2001, 2002 & early-2003 7.3L Super Duty models with automatic transmission and non-catalyst configuration. Always confirm your model year (early-2003 7.3L) and under-truck configuration before ordering.
FAQ: IS IT CARB LEGAL?
The diesel downpipe in this system is listed as C.A.R.B. Exempt under Executive Order D-778-1. Check your local and state regulations for complete compliance.
FAQ: WHAT MATERIAL IS USED?
Constructed from T409 stainless steel for excellent corrosion resistance and durability through heat cycles.
Fitment Details
- Engine: 7.3L Power Stroke
- Years: 2000–2003.5 (early-2003 7.3L)
- Vehicle: Ford F-250 / F-350 Super Duty
- Configuration: Turbo-back, single in/out, passenger-side exit, includes muffler
- Transmission: Automatic (per manufacturer spec)
- Emissions: Non-catalyst models; downpipe listed C.A.R.B. Exempt (EO D-778-1)
Cross-Reference Items
- K4319A — 4" aluminized turbo-back w/ muffler (same fitment)
- K4319S-RP — 4" T409 stainless turbo-back muffler-delete (same fitment)
- K4319S-TD — 4" T409 stainless turn-down exit w/ muffler
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K4319S |
| Material | T409 Stainless Steel |
| System Type | 4" Turbo-Back, Single In/Out, Passenger-Side Exit |
| Includes Muffler | Yes |
| UPC | 841963124927 |
| GTIN | 0841963124927 (GTIN-12 / UPC-A) |
| Shipping Weight | ~81.6 lb |
| Package Dimensions (L x W x H) | 51.5" x 20.8" x 12.5" |
| Warranty | 6-Year (manufacturer) |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |