4" inch Filter Back Single Side Dual Exit T409 Stainless Steel

Features:

• Delivers up to 18 more horsepower
• Adds 28 ft/lbs of extra torque
• Lowers EGTs by up to 200°F
• High-flow design improves throttle response
• Built from durable T409 stainless steel
• Mandrel-bent tubing ensures smooth airflow
• Dual polished tips offer a sleek finish
• Tuned sound for diesel engine performance
• Bolt-on install with no welding needed
• Compatible with all cab and bed sizes
• Direct fit using OEM-style hangers
• Covered by a 3-year limited warranty

Let Your Truck Breathe And Pull Like A Beast

If you’re looking to get more out of your Powerstroke without going overboard, the MBRP S6290409 exhaust system is one of those upgrades that just makes sense. This isn’t just about bolting on a new pipe, it’s about giving your truck the chance to pull harder, sound tougher, and run more efficiently. The difference in throttle response and power is something you’ll feel immediately, whether you're towing heavy loads or just rolling through town. That deep, clean tone on acceleration adds attitude without being over the top, and it really gives your truck a commanding presence. It’s also built to last, using T409 stainless steel that shrugs off road grime and rust better than most entry-level kits. And when it’s time to install, everything lines up clean with factory hangers so you’re not wrestling with fitment. If you’ve been waiting for the right time to upgrade your exhaust, this is your green light.

Built With Smart Engineering That Boosts Real Performance

Behind the clean look and bold sound of the S6290409 is a design that’s all about airflow, efficiency, and engine health. This 4-inch filter-back system uses mandrel-bent tubing to keep the exhaust moving fast and smooth, which helps drop exhaust gas temps by as much as 200 degrees. That kind of cooling can make a big difference when you’re running hard, giving your engine more breathing room and reducing long-term wear. The dual exit layout with polished tips isn’t just for looks, it also helps minimize backpressure so your truck can take full advantage of added mods like intakes or tuners. MBRP also includes a spiral louvered muffler that balances flow and sound, so you're not stuck with drone or restriction. The T409 stainless steel holds up better over time than basic aluminized options, especially in harsher climates. With a direct-fit design and included clamps, this kit is ready to install right out of the box, no cutting, welding, or guesswork needed.

Fitment: 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 Ford F250/F350/F450 6.7L Powerstroke

Notes:

• Not legal for sale or use in California.
• May require spare tire relocation for 35" tires.
• Designed as a filter-back system, does not remove emissions equipment.
• System is emissions-friendly for DPF-equipped trucks.
• Compatible with 2017–2026 Ford F250/F350/F450 6.7L Powerstroke.
• Tour Profile sound provides a moderate exhaust tone.
• Made with T409 stainless steel, not fully corrosion-proof.
• Professional installation recommended but not required.
• Includes all clamps and hardware in one box.
• MBRP provides a 3-year limited warranty on materials.