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Flowmaster Force II Cat-back Exhaust System

Part # 17446 Be the first to write a review

Fits 2008-2013 Ford F-250/F-350 truck with V8 or V10 engine. - Mild sound

Flowmaster Force II Cat-back Exhaust System

Estimated Ship Date: 08/31/2026
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Advertised Price $562.95
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Delta Flow
5

Emissions

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.

See Emissions Details
For the person who wants a subtle custom appearance with all the benefits that a Flowmaster® Cat-back exhaust system provides. This Force II® system is constructed mandrel-bent 3.00-inch aluminized steel tubing flows into a 70 Series Big Block II™ performance muffler keeping things mellow inside the cab area of the vehicle. The system uses the factory hanger locations and the 3.00-inch tailpipe is finished off with a large 3.50-inch polished stainless steel tip. Like all Flowmaster systems, benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation and is covered by our 3-year Limited Warranty. For those who prefer all stainless steel construction with a Lifetime Limited Warranty, check out part# 817446. Note: Fits both 2 and 4 wheel drive models and all wheelbases.

Features:

  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16-gauge Aluminized Steel Tubing
  • Large 3.50-inch Polished Stainless Steel Tip
  • Dyno Tuned for Maximum Performance
  • Uses the Factory Hanger Locations
  • Moderate Exterior Exhaust Tone
  • 70 Series Performance Muffler
  • Quick & Easy Installation

About Flowmaster

Shop the complete line of Flowmaster products for exhaust systems, mufflers, and more that deliver the iconic Flowmaster sound. Available at Holley.com!

Brand Flowmaster
California Proposition 65Yes
CARB (California) CompliantYes
Catalytic Converter IncludedNo
Catalytic Converter Quantity0
CategoryExhaust
Clamping TypeU-Bolt
Clamps IncludedYes
Drive2WD
4WD
Emission Code5
Exhaust SeriesForce II
Exhaust Tip ConnectionClamp-On
Exhaust Tip CutAngled
Exhaust Tip Diameter3.50 IN
Exhaust Tip EdgeRolled Edge Angle Cut
Exhaust Tip FinishPolished
Exhaust Tip IntercooledNo
Exhaust Tip Length12.00 IN
Exhaust Tip Material304 Stainless Steel
Exhaust Tip Quantity1
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exhaust Tip WallSingle Wall
Exit StyleSingle Out Side
FinishAluminized
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat Shield IncludedNo
Inlet Diameter3.00 IN
Inlet TypeClamp-On
Main Piping Diameter3.00 IN
Mounting Bracket IncludedNo
Muffler Body Height5.00 IN
Muffler Body Length22.00 IN
Muffler Body MaterialAluminized Steel
Muffler Body ShapeOval
Muffler Body Width10.00 IN
Muffler FinishBlack High-Temperature Paint Finish
Muffler Flanged InletNo
Muffler Flanged OutletNo
Muffler IncludedYes
Muffler Inlet ConnectionSlip-Fit
Muffler Inlet Inside Diameter3.00 IN
Muffler Inlet Outside Diameter3.13 IN
Muffler Outlet ConnectionSlip-Fit
Muffler Outlet Quantity1
Muffler Part Number53073
Muffler Quantity1
Muffler Series70 Series Big Block
Muffler TypeChambered
Part TypeExhaust System
Pipe ColorSilver
Pipe MaterialAluminized Steel
Product TypeExhaust System
Sound LevelMild
Spring Bolt Kit IncludedNo
Sub CategoryExhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter3.00 IN
Tail Pipe Quantity1
Single
Tail Pipe Tapered OutletNo
TypeCat-Back
Valve IncludedNo
Valve TypeNot Applicable
UPC700042021819
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
Part Number17446
5

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.
Fits 2008-2013 Ford F-250/F-350 truck with V8 or V10 engine. Fits 2 and 4-wheel drive models and all wheelbases.
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    Some parts are not legal for use in California or other states with similar regulations.