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2007-18 Jeep Wrangler JK, 3.6L, 3.8L - Force II Cat-back Exhaust System 817514YouTube Button

Flowmaster Force II Cat-back Exhaust System

2007-2018 Jeep Wrangler JK with 3.6L or 3.8L engine, fits both 2 door and 4 door models.

PART# 817514

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$674.00   Suggested Retail
$605.95   Holleydays Price
Estimated shipping date: 01/29/2021
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Mild sound


This Flowmaster® Force II® Cat-back exhaust system fits 2007-2018 Jeep Wrangler JK 2-door and 4-door models with the 3.8L or 3.6L engines. This emissions legal system is constructed from 2.50-inch mandrel-bent stainless steel flowing into a Super 50 Series™ muffler, which incorporates an internal resonance chamber keeping interior drone down to a minimum while providing a deep mild exterior sound level. The mandrel-bent tailpipe exits in the stock location and is finished off with a 3.00-inch brushed 304 stainless steel tip at the rear bumper. The system uses the factory hanger locations for easy installation and includes all necessary parts, hardware, installation instructions and is covered by our Lifetime Limited Warranty.


  • Super 50 Series Muffler with Built-in Resonance Chamber
  • Includes Hangers and Hardware for an Easy Installation
  • Mandrel-bent 16 gauge Stainless Steel Tubing
  • Connects After Factory Catalytic Converter
  • Stock to Mild Exterior Exhaust Tone
  • Uses the Factory Hanger Locations
  • Lifetime Limited Warranty


Emission Code5
Exhaust SeriesForce II
Exit PositionSingle Rear Exit
Heat ShieldNo
Inlet Diameter (in)2.5
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity1
Muffler SeriesSuper 50 Series
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualSingle
Sound LevelMild
System TypeCat-back
Tip Diameter (in)3
Tip Quantity1
Tubing Diameter (in)2.5
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817514



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 2007-2018 Jeep Wrangler JK with 3.6L or 3.8L engine, fits both 2 door and 4 door models.


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

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