Flowmaster 817739 | Dodge Challenger Exhaust System Kit

Part Number
American Thunder Cat Back Exhaust System| Dual| Dual Out Rear Exit| Incl. 3.0 in. Tubing/Super 40 Series Muffler| 409 Stainless Steel

Fits: 15-19 Dodge Challenger

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Flowmaster's American Thunder Cat-back exhaust system for the 2015-2019 Dodge Challenger SRT 392 and R/T Scat Pack models with the 6.4L engine, as well as the SRT Hellcat with the 6.2L 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 3.00" Scavenger X-pipe assembly that runs into a pair of specially built Super 40 Series mufflers. The systems uses 3.00" mandrel bent tubing for maximum performance and then is finished off with 3.50" Quad 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.

BRAND: Flowmaster


  • Holley Performance Emission Code 5: 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
  • Aggressive Exterior Exhaust Tone
  • Incl. Hangers and Hardware For Easy Installation
  • Patented Delta Flow Technology
  • Fits 2015-2019 Dodge Challenger SRT 392 and R/T Scat Pack with 6.4L Engine| and SRT Hellcat with 6.2L Engine.
  • Exhaust System Kit
  • American Thunder Cat Back Exhaust System
  • American Thunder Cat Back Exhaust System| Dual| Dual Out Rear Exit| Incl. 3.0 in. Tubing/Super 40 Series™ Muffler| 409 Stainless Steel|
  • Lifetime Limited Warranty
  • Mandrel Bent Tubing
  • Premium Flowmaster Quality
  • Dyno Tuned for Maximum Performance
  • 817739| Exhaust System| Cat-back| Stainless Steel| American Thunder
  • Made in the USA


California Proposition 65 Chemical Name 1Nickel (metallic)
California Proposition 65 Chemical Name 2Chromium (hexavalent compounds)
Catalytic Converter IncludedNo
Exhaust SeriesAmerican Thunder
Exhaust TypeDual
Exit PositionDual Rear
Exit StyleStraight
Heat Shield AttachedNo
Inlet Diameter1.000 in.
Inlet Inside Diameter3.000 in.
MaterialStainless Steel
Mount TypeFlanged
Muffler Count2
Muffler Part NumberKit Only
Muffler SeriesSuper 40 Series
Muffler TypeWelded Baffle
Outlet Diameter3.000 in.
Outlet Outside Diameter3.000 in.
Single or DualDual
Sound LevelModerate/Aggressive
System TypeCat Back
Tail Pipe Diameter3.000 in.
Tip CutAngle
Tip Diameter3.500 in.
Tip Edge StyleCut
Tip FinishPolished
Tip Length9.500 in.
Tip LogoEmbossed
Tip MaterialStainless Steel
Tip Quantity4
Tip ShapeRound
Tip TypeDouble Wall
TitleFlowmaster 817739 Cat-back System - 409S - DOR - American Thunder Kit - Mod/Agg Sound
Tubing Diameter3.000 in.
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Dual| Dual Out Rear Exit| Incl. 3.0 in. Tubing/Super 40 Series(TM) Muffler| 409 Stainless Steel|50 State Legal / California Emissions Compliant



    • 2015-2019 Dodge Challenger
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