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Flowmaster Force II Cat-back Exhaust System

2011-2014 Dodge Challenger SE with 3.6L engine including AWD models.

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Delta Flow
This Flowmaster Force II® Cat-back exhaust system for the 2011-2014 Dodge Challenger SE models with the 3.6L engine is perfect for the person looking for a slight increase in sound over the factory system but with minimal interior sound and all of the performance benefits that you would expect from Flowmaster®. Features include dual 2.50-inch mandrel-bent stainless steel tubing flowing into a Scavenger Series® X-pipe cross-over for maximum performance with a unique deep tone. The exhaust then flows into a pair of our Delta Flow 50™ Series mufflers and exits into 2.50-inch mandrel-bent tailpipes that utilize the factory hangers locations for an easy installation. The tailpipes are fitted with specially tuned resonators keeping the interior resonance down to a minimum and exit out the factory exhaust bezels. Designed for easy installation, this system includes all necessary parts, hardware, and detailed instructions. Note: This kit only fits vehicles with integrated rear exhaust bezels.


  • Includes Hangers and Hardware for and Easy Installation
  • Dual 2.50-inch Mandrel-bent Stainless Steel Tubing
  • Connects After the Factory Catalytic Converter
  • Includes Specially Tuned Resonators
  • Uses the Factory Hanger Locations
  • Moderate Exterior Exhaust Tone
  • Lifetime Limited Warranty

About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.

Brand Flowmaster
Emission Code5
Exhaust SeriesForce II
Exit PositionDual Out Rear
Heat ShieldNo
Inlet Diameter (in)2.25
Material409 Stainless Steel
Muffler Part NumberKit Only
Muffler Quantity2
Muffler Series50 Series Delta Flow
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelModerate
System TypeCat-back
Tip Diameter (in)2.5
Tip QuantityNot Included
Tubing Diameter (in)2.5
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817538

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.

This kit does not fit vehicles with traditional bumper/tip cutouts.

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