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Flowmaster Force II Cat-back Exhaust System

2012-2018 Ford Focus hatchback with 2.0L engine. Does not fit sedan model or ST.

PART# 817552

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$690.00   Suggested Retail
$620.95   Your Price
Estimated shipping date: 11/13/2020
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Moderate sound


For the person who wants a subtle custom appearance with all the benefits that a Flowmaster® Cat-back exhaust system provides, S.O.R. (Single out rear) systems are the perfect choice. This Force II® system is constructed from 2.25-inch mandrel-bent stainless steel with a specially tuned resonator inline flowing back into a 50 Series™ Delta Flow® performance muffler that delivers a mild interior tone with a deep moderate exterior sound. The system uses the factory hanger locations and is finished off with a 3.50-inch polished stainless steel tip. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.


  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16 Gauge Stainless Steel Tubing
  • Connects After Factory Catalytic Converter
  • 50 Series Delta Flow Performance Muffler
  • Moderate Exterior Exhaust Tone
  • Specially Designed Resonator
  • Lifetime Limtied Warranty


Emission Code5
Exhaust SeriesForce II
Exit PositionSingle Rear Exit
Heat ShieldNo
Inlet Diameter (in)2.25
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler Series50 Series Delta Flow
Outlet Diameter (in)2.25
Product TypeExhaust System
Single DualSingle
Sound LevelModerate
System TypeCat-back
Tip Diameter (in)4
Tip Quantity1
Tubing Diameter (in)2.25
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817552



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.

Tech Resources

Fits 2012-2018 Ford Focus hatchback with 2.0L engine. Does not fit sedan model or ST.


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      Some parts are not legal for use in California or other states with similar regulations.