Product Description
Built to outlast your OBS 7.3—MBRP’s Armor Plus T409 stainless 4" turbo-back delivers a clean, aggressive tone, lower EGTs, and freer flow from the 3" downpipe back. This single side exit system is a proven upgrade for 1994–1997 Ford F-250/F-350 7.3L Powerstroke trucks.
- 4" mandrel-bent T409 stainless steel tubing for durability
- 3" downpipe for improved turbo spool and lower drive pressure
- Street-profile sound with a refined, deep note
- Direct-fit kit with clamps and hardware
Fitment
- 1994–1997 Ford F-250/F-350, 7.3L Powerstroke diesel
- Turbo-back configuration, single side exit
Cross-Reference / Alternatives (MBRP-only)
Recommended MBRP Accessories
- MBRP T5124 – 5" OD Tip, T304, 4" Inlet
- MBRP T5124BLK – 5" OD Tip, Black, 4" Inlet
- MBRP T5052 – Pro Series Tip Options (4" Inlet)
FAQ
Does this kit include a polished tip?
This T409 system is typically paired with a stainless tip; if you want a specific look, choose an MBRP tip like the T5124 or T5124BLK above.
What diameter is the downpipe?
The system includes a 3" downpipe transitioning to 4" tubing for optimal flow on the 7.3L platform.
Will it bolt on to my 1994–1997 F-250/F-350 7.3L?
Yes—this S6218409 kit is engineered for 1994–1997 Ford F-250/F-350 with the 7.3L Powerstroke and a single side exit layout.
What if I prefer an aluminized system?