4″ Downpipe (FS9401), Armor Plus, T409 Stainless Steel

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The 4″ Downpipe (FS9401) from Armor Plus is a high-quality exhaust component made from T409 stainless steel. Its key features include a 4″ diameter for improved exhaust flow, durable construction for long-lasting performance, and a sleek appearance. This downpipe offers benefits such as increased horsepower and torque, improved fuel efficiency, and reduced exhaust noise. Its unique selling points are its high-quality materials and precision engineering, making it a top choice for performance enthusiasts.

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Description

1999-2003 Ford F-250/350 7.3L Powerstroke T409 Stainless Steel 4in Down Pipe

Introducing the 4″ Downpipe (FS9401) from Armor Plus, the ultimate upgrade for your vehicle’s exhaust system. Made from high-quality T409 stainless steel, this downpipe is designed to deliver superior performance and durability, making it the perfect choice for any car enthusiast.

One of the standout features of the 4″ Downpipe is its larger diameter, which allows for increased exhaust flow and improved engine efficiency. This means you can expect a noticeable increase in horsepower and torque, giving your vehicle a more powerful and responsive feel on the road.

But that’s not all – the T409 stainless steel construction also offers exceptional resistance to corrosion and rust, ensuring that your downpipe will last for years to come. This makes it a smart investment for any vehicle owner looking for a long-lasting and reliable upgrade.

In addition to its impressive performance and durability, the 4″ Downpipe also boasts a sleek and stylish design. The T409 stainless steel has a polished finish that will add a touch of elegance to your vehicle’s undercarriage. It’s also designed to fit seamlessly with your existing exhaust system, making installation a breeze.

But the benefits don’t stop there. The 4″ Downpipe is also designed to improve the overall sound of your vehicle. The larger diameter and high-quality materials work together to create a deep and aggressive exhaust note, giving your car a more sporty and exhilarating sound.

At Armor Plus, we understand that our customers want the best value for their money. That’s why we’ve created the 4″ Downpipe to offer not only top-notch performance and durability, but also an affordable price point. With this downpipe, you can achieve the performance and sound of a high-end exhaust system without breaking the bank.

Upgrade your vehicle’s exhaust system with the 4″ Downpipe (FS9401) from Armor Plus. With its larger diameter, T409 stainless steel construction, and sleek design, this downpipe offers unbeatable performance, durability, and value. Experience the difference for yourself and take your driving experience to the next level.

Additional information
Weight 15 lbs
Dimensions 42.75 × 17 × 7.75 in
Fitment

Fitment

Vehicle Compatibility (10 vehicles)10 of 10 Loaded

Year Make Model Trim Engine Body Type Bed Length Transmission
2003 Ford F-250 Super Duty All 7.3L V8 All All All
2003 Ford F-350 Super Duty All 7.3L V8 All All All
2002 Ford F-250 Super Duty All 7.3L V8 All All All
2002 Ford F-350 Super Duty All 7.3L V8 All All All
2001 Ford F-250 Super Duty All 7.3L V8 All All All
2001 Ford F-350 Super Duty All 7.3L V8 All All All
2000 Ford F-250 Super Duty All 7.3L V8 All All All
2000 Ford F-350 Super Duty All 7.3L V8 All All All
1999 Ford F-250 Super Duty All 7.3L V8 All All All
1999 Ford F-350 Super Duty All 7.3L V8 All All All
Prop 65

Prop 65

WARNING: This product can expose you to chemicals, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

About brand
MBRP builds exhaust systems for diesel trucks that need better sound and airflow. The company focuses on fitment, durability, and real-world performance. MBRP products support daily driving, towing, and performance use. MBRP designs exhaust systems to reduce backpressure and improve exhaust flow. Their systems help lower exhaust temperatures and improve throttle response. This results in stronger performance under load. Diesel owners trust the brand for proven exhaust upgrades. Whether upgrading sound or improving performance, these systems deliver consistent results.
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