2015-18 Charger, 300S SE, SXT 3.6L - Flowmaster American Thunder Cat-back Exhaust System 817741YouTube Button

Cat-back System - 409S - DOR - American Thunder Kit - Moderate Sound

American Thunder Kit

PART# 817741

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$1,085.95   Suggested Retail
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Fits 2015-2018 Dodge Charger SE and SXT Models with 3.6L and 2015-2016 Chrysler 300S with 3.6L V6 engine.


Flowmaster's American Thunder Cat-back exhaust system for the 2015-2018 Dodge Charger SE and SXT with the 3.6L V6 engine, is perfect for the person looking for an aggressive exterior sound level while maintaining a moderate interior sound with all of the performance benefits that you would expect from Flowmaster. This bolt on 409S stainless steel system features a pair of Super 44 Series mufflers and resonators. The systems uses 2.50" mandrel bent tubing for maximum performance and then is finished off with 2.50" stainless steel tips that exit within the rear bumper valence. The exhaust system is covered by Flowmaster's Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.


  • Dyno Tuned For Maximum Performance
  • Tuned Tailpipe Resonators to Provide Minimal Interior Sound
  • Patented Delta Flow Technology
  • 409S Stainless for Maximum Durability


California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Catalytic Converter IncludedNo
ColorBlack muffler, natural tubing
Emission Code5
Exhaust SeriesAmerican Thunder
Exit PositionDual Rear Exit
Heat ShieldNo
Inlet Diameter (in)2.5
MaterialStainless Steel
Mount TypeFlanged
Muffler Part NumberKit Only
Muffler Quantity2
Muffler SeriesSuper 44
Muffler TypeWelded Baffle
Outlet Diameter (in)2.5
Product TypeExhaust Systems / Kits
Single DualDual
Sound LevelModerate Sound
System TypeCat-back System
Tip CutAngle
Tip Diameter (in)2.5
Tip Edge StyleCut
Tip FinishPolished
Tip Length (in)3.25
Tip LogoNone
Tip MaterialStainless Steel
Tip Quantity2
Tip ShapeRound
Tip StyleSingle Wall
Tubing Diameter (in)2.5
Part Number817741


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 2015-2018 Dodge Charger SE and SXT Models with 3.6L and 2015-2016 Chrysler 300S with 3.6L V6 engine.



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