4" mandrel-bent aluminized steel construction for optimal flow
Direct bolt-on fit for stock turbochargers
Reduces backpressure and improves exhaust efficiency
Enhances turbo spool-up and throttle response
Corrosion-resistant coating for long-lasting durability
Designed specifically for 7.3L Powerstroke applications
The MBRP FAL401 4" Aluminized Down Pipe is designed to significantly enhance your 1999–2003 Ford Super Duty’s exhaust system by replacing the restrictive factory downpipe with a larger, more efficient design. Built from durable aluminized steel and mandrel-bent to maintain smooth, unrestricted exhaust flow, this downpipe reduces backpressure and improves overall engine performance.
Whether you're hauling heavy loads or tuning for more power, the MBRP FAL401 delivers dependable gains and heat reduction. The corrosion-resistant aluminized finish ensures durability without breaking the bank. With its direct-fit design, installation is straightforward with no welding required, making this upgrade one of the easiest ways to unlock better performance from your 7.3L Powerstroke.
4" aluminized down pipe
Installation hardware
Detailed installation instructions
1999, 2000, 2001, 2002, 2003 Ford F250/F350 7.3L Powerstroke
3-Year Warranty – Covers material and manufacturing defects
Designed for vehicles with the stock turbocharger
May require minor modification to fit trucks with aftermarket transmissions or components
Not legal for sale or use in California on pollution-controlled vehicles
Property | Values |
---|---|
Year Ranges | 1999-2003 |
Make | Ford |
Model | Super Duty |
Series | F250/F350 |
Engine | 7.3L Powerstroke |
!