4 inch CARB Approved T409 Stainless Turbo Down Pipe

Features:

• 4-inch mandrel-bent tubing for smooth flow
• T409 stainless steel for durability and strength
• Reduces backpressure for improved performance
• Lowers exhaust gas temperatures (EGTs)
• CARB approved for emissions compliance
• Legal for use in all 50 states
• Direct bolt-on for factory turbocharger
• Designed for 2015–2016 6.7L Powerstroke engines
• Improves throttle response and turbo efficiency
• Corrosion-resistant finish for long-term reliability
• Ideal for towing and performance use
• Manufactured by MBRP for proven quality

Unlock Smooth Power And Keep It Street Legal

If you’re looking to give your 2015–2016 Powerstroke a cleaner, more responsive feel without giving up emissions compliance, the MBRP FS9CA460 4-Inch CARB Approved Turbo Down Pipe is the bolt-on upgrade your truck needs. This pipe is designed to replace the restrictive stock unit with a high-flow, mandrel-bent alternative that reduces backpressure and helps your turbo breathe easier. The result is improved throttle response, better efficiency, and cooler exhaust temps, exactly what you want whether you're towing, hauling, or just out enjoying the drive. Built from tough T409 stainless steel, it’s ready for hard work and harsh conditions, all while maintaining a refined, corrosion-resistant finish that lasts. And with full CARB approval, this pipe is legal in all 50 states, so you don’t have to worry when it’s time for inspection. Installation is straightforward and fits right into the factory system. It’s a clean upgrade that brings real-world gains and keeps your truck in the good graces of the law.

Built For Efficiency Flow And Emissions Certified Performance

The MBRP FS9CA460 Turbo Down Pipe is a precision-engineered exhaust upgrade designed specifically for the 2015–2016 Ford F250 and F350 equipped with the 6.7L Powerstroke engine. Utilizing 4-inch mandrel-bent tubing, this pipe improves exhaust gas evacuation from the turbo, significantly reducing backpressure and allowing for more efficient turbo operation. The T409 stainless steel construction offers long-lasting durability in high-heat environments and is well-suited for trucks used in daily driving, heavy towing, or mild performance builds. It bolts directly to the factory turbocharger with no modifications required, ensuring a hassle-free installation. One of the standout advantages of this pipe is its CARB-approved status, making it fully emissions legal in all 50 states including California. By improving exhaust flow while meeting strict emissions standards, it strikes an ideal balance between performance and compliance. For Powerstroke owners looking to enhance performance without compromising legality or reliability, this MBRP down pipe offers proven results and a trusted fit.

Fits: 2015, 2016 Ford F250/F350 6.7L Powerstroke

Notes:

• Designed for 2015–2016 Ford F250/F350 6.7L Powerstroke
• Constructed from durable T409 stainless steel
• 4-inch mandrel-bent tubing ensures smoother exhaust flow
• Helps reduce backpressure and lower exhaust gas temperatures
• Improves turbocharger response and overall efficiency
• Direct-fit installation with no modifications required
• Fully CARB approved and emissions legal in all 50 states
• Ideal for towing, daily driving, and light performance applications
• Corrosion-resistant finish for long-term reliability
• Designed to integrate with factory exhaust components