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2015-16 Challenger R/T 5.7L - Force II Cat-back Exhaust System 817715YouTube Button

Flowmaster Force II Cat-back Exhaust System

2015-2016 Challenger R/T with the 5.7L Hemi engine.

PART# 817715

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Moderate to mild sound


This Flowmaster Force II® Cat-back exhaust system for 2015-2016 Dodge Challenger RT with 5.7L Hemi engine is perfect for the person looking for a moderate exterior sound level while maintaining a mild interior sound with all of the performance benefits that you would expect from Flowmaster®. This bolt-on cat-back stainless steel system features 2.50-inch mandrel-bent tubing and includes our exclusive Scavenger Series® X-pipe crossover for a unique deep sound and maximum power. The dual Super 44™ Series mufflers flow into dual 2.50-inch mandrel-bent tailpipes which are finished off with specially tuned resonators and stainless steel tips that exit within the rear bumper valance. The exhaust system is covered by our Lifetime Limited Warranty, is designed for an easy fit and includes all necessary parts and hardware for installation.


  • Dyno Tuned For Maximum Performance
  • Exclusive Scavenger X-pipe Crossover
  • Uses the Factory Hanger Locations
  • Stainless Steel Construction
  • Specially Tuned Resonators
  • Lifetime Limited Warranty
  • Delta Flow Technology
  • Flowmaster Quality


ColorBlack muffler, natural tubing
Emission Code5
Exhaust SeriesForce II
Exit PositionDual Out Rear
Inlet Diameter (in)2.5
Material409 Stainless Steel
Mount TypeFlanged
Muffler Quantity2
Muffler SeriesSuper 44
Muffler TypeWelded Baffle
Outlet Diameter (in)2.5
Product TypeExhaust System
Single DualDual
Sound LevelModerate/Mild
System TypeCat-back
Tubing Diameter (in)2.5
Tubing MaterialStainless Steel
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817715



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 2015-2016 Challenger R/T with the 5.7L Hemi engine.


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