MBRP FS9401 Armor Plus 4-Inch Turbocharger Down Pipe for 1999-2003 Ford F-250 and F-350 7.3L

Some folks are just not satisfied with the usual. They have to always be pushing the limits; refining and adjusting; until they have the truck that has no limits. We have put together some components that will take you to the next level. The fastest path from the turbo to the tip is through an MBRP down pipe. Bulking up exhaust flow. Armor Plus Turbocharger Down Pipe; 4 in. Diameter; Mandrel Bent; T409 Stainless Steel; 4 in. Outlet Diameter Tip; Not for the use on vehicles equipped with a Catalytic Converter.

• Jib Manufacture To Ensure Accuracy. Power Gains. Lower Exhaust Temperatures.
• Jig Manufactured To Ensure Accuracy
• Lower Exhaust Gas Temperatures
• Gain Extra Power

Upgrade the exhaust flow of your compatible Ford Super Duty with the MBRP FS9401 Armor Plus Turbocharger Down Pipe. Designed for 7.3L applications, this down pipe provides a more direct path from the turbocharger to the exhaust system, helping reduce restrictions and support improved engine performance. Its 4-inch diameter and 4-inch outlet are engineered for high-flow exhaust applications.

The MBRP FS9401 is constructed from durable T409 stainless steel and formed with mandrel bends to help maintain consistent internal airflow through each bend. Jig-manufactured construction promotes accurate fitment, while the improved flow path can help lower exhaust gas temperatures and support additional power. This component is intended for off-road or competition use and is not designed for vehicles equipped with a catalytic converter. It is not CARB approved and may not comply with emissions regulations in all areas.

Product Specifications and Technical Data

• Brand: MBRP
• Part Number: FS9401
• Series: Armor Plus
• Component Type: Turbocharger down pipe
• Material: T409 stainless steel
• Pipe Diameter: 4 inches
• Outlet Diameter: 4 inches
• Bend Construction: Mandrel bent

What's Included

• One MBRP Armor Plus turbocharger down pipe

Fitment

Fits select 2000-2003 Ford F-250 Super Duty models and is designed for compatible 7.3L applications. Verify the vehicle year, engine, exhaust configuration, and catalytic-converter setup before ordering. Not for use on vehicles equipped with a catalytic converter.

Features:

• High-Flow Design: Provides a less restrictive path from the turbocharger to the exhaust system.
• T409 Stainless Steel Construction: Delivers durable performance for demanding exhaust applications.
• Mandrel-Bent Tubing: Helps maintain consistent airflow through the bends.
• Performance Benefits: Supports improved exhaust flow, lower exhaust gas temperatures, and potential power gains.

Fitments:
1999 Ford F-250 Super Duty Lariat
1999 Ford F-250 Super Duty XL
1999 Ford F-250 Super Duty XLT
1999 Ford F-350 Super Duty Lariat
1999 Ford F-350 Super Duty XL
1999 Ford F-350 Super Duty XLT
2000 Ford F-250 Super Duty Lariat
2000 Ford F-250 Super Duty XL
2000 Ford F-250 Super Duty XLT
2000 Ford F-350 Super Duty Lariat
2000 Ford F-350 Super Duty XL
2000 Ford F-350 Super Duty XLT
2001 Ford F-250 Super Duty Lariat
2001 Ford F-250 Super Duty XL
2001 Ford F-250 Super Duty XLT
2001 Ford F-350 Super Duty Lariat
2001 Ford F-350 Super Duty XL
2001 Ford F-350 Super Duty XLT
2002 Ford F-250 Super Duty Lariat
2002 Ford F-250 Super Duty XL
2002 Ford F-250 Super Duty XLT
2002 Ford F-350 Super Duty Lariat
2002 Ford F-350 Super Duty XL
2002 Ford F-350 Super Duty XLT
2003 Ford F-250 Super Duty Lariat
2003 Ford F-250 Super Duty XL
2003 Ford F-250 Super Duty XLT
2003 Ford F-350 Super Duty King Ranch
2003 Ford F-350 Super Duty Lariat
2003 Ford F-350 Super Duty XL
2003 Ford F-350 Super Duty XLT

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1