Description
The Flowmaster Flow FX® Cat-Back Exhaust System is engineered for 2004-2008 Ford F-150 trucks with 4.6L and 5.4L engines, offering deep, moderately aggressive exterior sound and enhanced performance. Designed for both 2-wheel and 4-wheel drive models of all wheelbases, this bolt-on system is built from durable 409 stainless steel and includes a Flow FX® straight-through muffler for maximum flow and performance.
The dual 2.50-inch mandrel-bent tailpipes are custom routed to clear the factory spare tire and tow hitch, exiting behind the rear tires to prevent exhaust fumes from affecting trailers, boats, or vehicles. Large 4.50-inch black ceramic coated stainless steel tips provide a modern, aggressive look. Installation is straightforward using factory hanger locations, and all necessary hardware and detailed instructions are included. Covered by Flowmaster’s Lifetime Limited Warranty.
Key Features
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Deep, powerful exterior tone
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Flow FX® straight-through performance muffler
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Dual 2.50-inch mandrel-bent tailpipes, side exit
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Large 4.50-inch black ceramic coated stainless steel tips
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Custom routed to clear spare tire and tow hitch
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Durable 409 stainless steel construction
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Uses factory hanger locations for easy installation
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Includes all necessary hardware
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Lifetime Limited Warranty
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Fits all 2/4 wheel drive models and all wheelbases
Fitment
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2004-2008 Ford F-150
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Engines: 4.6L V8, 5.4L V8
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Drive: 2WD and 4WD
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All wheelbases
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Installation uses factory hangers
Technical Specifications
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Brand: Flowmaster
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Exhaust Series: Flow FX
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Part Type: Exhaust System
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Product Type: Exhaust System
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Category: Exhaust
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Sub Category: Exhaust and Tail Pipes
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Sound Level: Moderate
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Grade Type: Performance
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CARB Compliant: Yes
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California Proposition 65: Yes
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Proposition 65 Chemical Name: Chromium (hexavalent compounds)
Muffler Specifications
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Muffler Type: Absorption, Flow FX straight-through
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Muffler Series: Flow FX
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Muffler Material: 409 Stainless Steel
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Muffler Shape: Oval
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Muffler Finish: Natural
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Muffler Body Height: 4.00 IN
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Muffler Body Length: 18.00 IN
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Muffler Body Width: 9.00 IN
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Muffler Inlet Diameter: 3.00 IN
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Muffler Outlet Diameter: 2.50 IN
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Muffler Outlet Quantity: 1
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Muffler Inlet Connection: Slip-Fit
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Muffler Outlet Connection: Slip-Fit
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Muffler Quantity: 1
Pipe & Tip Specifications
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Main Piping Diameter: 2.50 IN
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Tail Pipe Quantity: 2
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Tail Pipe Outlet Diameter: 2.50 IN
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Tip Quantity: 2
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Tip Diameter: 4.50 IN
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Tip Finish: Black Ceramic Coating
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Tip Cut: Angled Rolled Edge
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Tip Connection: Clamp-On
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Tip Logo: Embossed
Installation Notes
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Clamps Included: Yes
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Hangers Included: Yes
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Mount Type: Uses Factory Hanger
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Mounting Bracket Included: Yes
