Description
Large Bore-HD 4" 409 Stainless Steel DPF-Back Exhaust System
Upgrade your 2008–2010 Ford Super Duty (F-250, F-350, F-450, F-550) with the Large Bore-HD 4" DPF-Back Exhaust, engineered for extreme durability, maximum flow, and race-inspired sound. Built for performance without compromising fit or reliability, this exhaust is perfect for diesel enthusiasts seeking power, torque, and efficiency.
Performance Gains
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Up to +2 HP and +37 lbs. x ft. of torque
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11% more exhaust flow for improved efficiency
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Reduced EGTs (Exhaust Gas Temperatures) for cooler running under load
Durable 4" 409 Stainless Steel Construction
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Mandrel-bent 4" 409 stainless steel tubing for maximum flow and longevity
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Smooth transitions reduce turbulence, enhancing horsepower and torque
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OE-style bayonet hangers maintain stable pipe positioning under vibration and high heat
Aggressive Race-Inspired Sound
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Features a muffler delete pipe for an authentic aggressive tone
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Designed for maximum flow while delivering a deep, commanding exhaust note
High-Quality, Leak-Free Installation
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Uses factory mounting locations for a hassle-free, stable installation
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OE-style band clamps provide a 360-degree leak-free seal
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Bayonet tip ensures hangar bushing stability for a true OE-style fit
6" Polished 304 Stainless Steel Tip
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Intercooled slash-cut tip reduces exhaust gas temperatures at the tailpipe
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Includes drain port to prevent rust and corrosion
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Adds a high-luster, polished finish for a professional, clean look
Precision Engineering
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Constructed with state-of-the-art CAD technology for perfect fitment on Super Duty trucks
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Engineered and manufactured in Corona, California
Fitment
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2008–2010 Ford F-250 Super Duty V8 6.4L Power-Stroke
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2008–2010 Ford F-350 Super Duty V8 6.4L Power-Stroke
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2008–2010 Ford F-450 Super Duty V8 6.4L Power-Stroke
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2008–2010 Ford F-550 Super Duty V8 6.4L Power-Stroke
Emissions Disclaimer
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This product does not require a CARB EO#
