Your Cart (0)
Thumbnail Filmstrip of 7.3L OBS Powerstroke 3 Inch Downpipe Kit Diamond Eye 122004 Images
The factory downpipe on a 1994 through early 1997 Ford 7.3L is a crushed flat section right under the turbo, so exhaust stacks up and exhaust gas temperature climbs when you tow. Replace that section with Diamond Eye 122004, a 3-inch aluminized two-piece downpipe.
- Build: Two-piece 3-inch aluminized pipe, so it can be fed into the OBS engine bay without trying to snake one long tube past the firewall.
- Part number: Diamond Eye 122004. Downpipe only.
- Fitment: 1994 through early 1997 Ford F-250 and F-350 7.3L Powerstroke.
- Does not fit: 1999-2003 Super Duty, Excursion, E-Series, or a cab-and-chassis.
- Not in the box: Catalytic converter, muffler, tailpipe, and tip. The converter stays on the truck.
- CARB EO D-778: This downpipe is covered by CARB Executive Order D-778 on those 1994 through early 1997 F-250 and F-350 7.3L trucks.
Order today to secure your replacement and confirm the truck is a 1994 through early 1997 F-250 or F-350, not a 1999-2003 Super Duty.
The factory downpipe on a 1994 through early 1997 Ford 7.3L is a crushed flat section right under the turbo, so exhaust stacks up and exhaust gas temperature climbs when you tow. Replace that section with Diamond Eye 122004, a 3-inch aluminized two-piece downpipe.
- Build: Two-piece 3-inch aluminized pipe, so it can be fed into the OBS engine bay without trying to snake one long tube past the firewall.
- Part number: Diamond Eye 122004. Downpipe only.
- Fitment: 1994 through early 1997 Ford F-250 and F-350 7.3L Powerstroke.
- Does not fit: 1999-2003 Super Duty, Excursion, E-Series, or a cab-and-chassis.
- Not in the box: Catalytic converter, muffler, tailpipe, and tip. The converter stays on the truck.
- CARB EO D-778: This downpipe is covered by CARB Executive Order D-778 on those 1994 through early 1997 F-250 and F-350 7.3L trucks.
Order today to secure your replacement and confirm the truck is a 1994 through early 1997 F-250 or F-350, not a 1999-2003 Super Duty.
Q
Jesus • 07/02/2025, 3:09:02 AM
Is this item California legal.
A
07/10/2025, 3:25:36 PM
Available to ship to CA
Q
Tim • 07/20/2025, 1:27:03 AM
Does the cab of a 95 F350 need to be modified to provide clearance for the pipe?
A
07/21/2025, 8:37:19 PM
Typically there is a lip inside the firewall that needs to be bent slightly for clearance. Easy modification.
5/5 Stars out of 2 Reviews
0
0
0
0
2
Marcus Bentley | June 18th, 2025
The upper flange is welded to close to the turbo and will not mate up flush without hitting the engine block or the up pipes. That’s without the bottom connected. I have called and tried to discuss this but keep getting forwarded to a voicemail and no one has returned my call
Clyde Horn (Hamilton) | September 14th, 2023
Astounding results literally blown away with this much pressure. Now if the wife only well lol nevermind that thank you guys this trucks really turning into a beast.
Proposition 65 Warning Information -
P65Warnings.ca.gov
Fits: 7.3 Powerstroke 1994-1997 (Pickup)
California Restricted
Fits: 7.3 Powerstroke 1994-1997 (Without Factory Catalytic Converter)
Fits: 7.3 Powerstroke 1994-1997 (Pickup)
California Restricted
Fits: 7.3 Powerstroke 1994-1997