Product Description
DIAMOND EYE K4312A-RP is a 4.0" aluminized steel cat-back dual-exit system for the 1994–1997.5 Ford F-250/F-350 7.3L Powerstroke. It deletes the muffler (single in / dual out) for lower backpressure and a classic diesel tone while maintaining strong fitment across all cab and bed lengths in these years.
Mandrel-bent tubing and OE-style hangers help the system install cleanly with common hand tools. Designed as the replacement/pipe version for Diamond Eye’s K4312A kit, this “-RP” configuration supplies the core piping without a muffler so you can run dual tailpipes straight through or pair with your preferred tip set.
FAQ: WILL THIS FIT MY TRUCK?
Yes—if you have a 1994, 1995, 1996, or early 1997 (a.k.a. 1997.5 cutoff) Ford F-250/F-350 with the 7.3L Powerstroke, this system is designed to fit all cab and bed lengths. Ford changed certain exhaust details mid-1997, so trucks built after the 1997.5 changeover may require a different part. Always verify your VIN build date and existing exhaust routing.
FAQ: DOES THIS INCLUDE A MUFFLER?
No. K4312A-RP is the no-muffler version (single in / dual out). It’s intended for maximum flow and a deeper sound. If you want a kit with a muffler, look at Diamond Eye part family K4312A.
FAQ: WHAT MATERIAL IS IT?
Aluminized steel (4" diameter). This balances value and durability. For maximal corrosion resistance in salted climates, consider stainless versions when available.
Fitment Details
- Vehicle: 1994–1997.5 Ford F-250 / F-350 Super Duty, 7.3L Powerstroke
- Configuration: 4.0" cat-back, single in / dual out, no muffler
- Cabs/Beds: Fits all cab and bed lengths for the listed years
- Notes: Early-1997 (pre-1997.5) uses this system; verify build date for late-1997 trucks
Cross-Reference / Related
- Diamond Eye K4312A – cat-back dual (aluminized) family for 1994–1997.5 Ford 7.3L (with muffler)
- K4312A-RP – this listing: replacement pipe / no-muffler dual-exit configuration
- Tip kits (various) – choose your preferred dual tips to finish the look (sold separately)
Specifications
| Brand | Diamond Eye Performance |
|---|---|
| MPN | K4312A-RP |
| System Type | Cat-back, single in / dual out, no muffler |
| Diameter | 4.0" |
| Material | Aluminized steel |
| Vehicle Fit | 1994–1997.5 Ford F-250/F-350, 7.3L Powerstroke (all cab/bed lengths; verify 1997.5 cutoff) |
| UPC | 841963106428 |
| GTIN | 0841963106428 (UPC-A) |
| Shipping Weight | ~79 lb |
| Package Dimensions | 52" × 21" × 12" |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
