MBRP FS9CA455 4 inch CARB Approved T409 Stainless Turbo Down Pipe | 2008-2010 Ford F250/F350 6.4L Powerstroke

Features:

• 4-inch mandrel-bent down pipe design
• Built from T409 stainless steel construction
• Increases exhaust flow and reduces backpressure
• Improves turbo response and lowers EGTs
• CARB approved for emissions compliance
• Legal for use in all 50 states
• Compatible with 2008–2010 6.4L Powerstroke engines
• Direct bolt-on for factory turbocharger system
• Corrosion-resistant finish for long-term durability
• Designed for performance and longevity
• Enhances overall exhaust system efficiency
• Trusted quality from MBRP engineering

Unleash Your Powerstroke With Legal Boost And Flow

If you're ready to open up the potential of your 2008–2010 Ford 6.4L Powerstroke without sacrificing emissions compliance, the MBRP FS9CA455 4-Inch CARB Approved Turbo Down Pipe is exactly what your build needs. This high-flow down pipe improves throttle response, lowers exhaust gas temperatures, and helps your turbo breathe better, all while staying legal in all 50 states. Whether you're daily driving, towing, or just looking to add performance without raising red flags, this is the perfect balance of power and peace of mind. Built from rugged T409 stainless steel, it can take on the heat and corrosion of hard use without breaking a sweat. The 4-inch mandrel-bent design ensures smooth exhaust flow, giving your Powerstroke the voice and efficiency it deserves. This is the kind of upgrade that fits right, works hard, and holds up over time. It's a simple yet powerful bolt-on that gives you noticeable gains without any compromises.

Engineered For Flow Durability And Emissions Compliance

The MBRP FS9CA455 T409 Stainless Turbo Down Pipe is precision-engineered to improve exhaust performance on 2008–2010 Ford F250 and F350 trucks equipped with the 6.4L Powerstroke engine. Featuring a 4-inch diameter and mandrel-bent construction, this pipe reduces exhaust backpressure and supports lower EGTs by providing a smoother path for exhaust gases leaving the turbo. It is constructed from T409 stainless steel, known for its strength and corrosion resistance under high-heat conditions, making it a reliable option for both daily use and heavy-duty applications. The direct-fit design bolts up cleanly to the factory turbocharger system without modifications. Importantly, this down pipe is CARB approved, meaning it meets emissions regulations and can be used legally in all 50 states, including California. It's an ideal solution for truck owners who want performance improvements without sacrificing compliance or reliability. Whether you're towing, commuting, or building a cleaner high-output rig, this MBRP down pipe delivers dependable, emissions-legal performance.

Fits: 2008, 2009, 2010 Ford F250/F350 6.4L Powerstroke

Notes:

• Designed for 2008–2010 Ford F250/F350 6.4L Powerstroke
• Constructed from high-strength T409 stainless steel
• 4-inch mandrel-bent tubing for improved flow
• Reduces backpressure and lowers exhaust gas temperatures
• Improves throttle response and overall turbo efficiency
• Direct-fit design for easy installation with stock turbo system
• CARB approved for legal use in all 50 states
• Durable corrosion-resistant finish for long service life
• Ideal upgrade for daily drivers, tow rigs, and light performance builds
• Maintains emissions compliance while enhancing performance