2009-14 Ford F150 4.6L, 5.0L, 5.4L - Force II Cat-back Exhaust System 817478YouTube Button

Flowmaster Force II Cat-back Exhaust System

2009-2014 Ford F-150 with 4.6L, 5.0L or 5.4L engine. Fits 2/4 wheel drive and all wheelbases.

PART# 817478

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2009-2014 Ford F-150 with 4.6L, 5.0L or 5.4L engines. Fits 2/4 wheel drive and all wheelbases.


Our Force II® cat-back exhaust system for 2009-2014 Ford F-150 trucks is perfect for the person looking for a moderate sound levels both inside and outside of the truck with all of the performance benefits that you would expect from Flowmaster®. This bolt-on exhaust comes with your choice of either dual out rear tailpipe exits, or dual out the side behind the rear wheel tailpipe exits which is ideal for towing. Features include all stainless steel mandrel-bent 3.00-inch inlet tube flowing into a Super 50™ Series performance muffler exiting into dual 2.50-inch mandrel-bent tailpipes for maximum performance and sound. The tailpipes clear the factory spare tire and feature large 3.50-inch polished stainless steel tips. The system is covered by our Lifetime Limited Warranty and includes all necessary parts and hardware for easy installation you can do at home. Note: Fits 2/4 wheel drive and all wheelbases.


  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16 Gauge Stainless Steel Tubing
  • Large 3.50-inch Polished Stainless Steel Tips
  • Dyno Tuned for Maximum Performance
  • Uses the Factory Hanger Locations
  • Moderate Exterior Exhaust Tone
  • Lifetime Limited Warranty
  • Easy Installation


California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Emission Code5
Exhaust SeriesForce II
Exit PositionDual Out Rear / Dual Out Side
Heat ShieldNo
Inlet Diameter (in)3
MaterialStainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesSuper 50 Series
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelModerate Sound
System TypeCat-back
Tip Diameter (in)3
Tip Quantity2
Tubing Diameter (in)3
Part Number817478


This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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2009-2014 Ford F-150 with 4.6L, 5.0L or 5.4L engines. Fits 2/4 wheel drive and all wheelbases.


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