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Exhaust System Kit

Flowmaster - American Thunder Cat Back Exhaust System (817739)

$1,065.95

$1,184.95

You save: $119.00 (10%) off MSRP

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This part fits

  1. 2019 Dodge Challenger SRT Hellcat Redeye 6.2L V8 cid:376 cc:6166
  2. 2019 Dodge Challenger R/T Scat Pack 6.4L V8 cid:392 cc:6424
  3. 2019 Dodge Challenger SRT Hellcat 6.2L V8 cid:376 cc:6166
  4. 2018 Dodge Challenger R/T 392 6.4L V8 cid:392 cc:6424
  5. 2018 Dodge Challenger SRT 392 6.4L V8 cid:392 cc:6424
  6. 2018 Dodge Challenger SRT Hellcat 6.2L V8 cid:376 cc:6166
  7. 2017 Dodge Challenger T/A 392 6.4L V8 cid:392 cc:6424
  8. 2017 Dodge Challenger SRT 392 6.4L V8 cid:392 cc:6424
  9. 2017 Dodge Challenger SRT Hellcat 6.2L V8 cid:376 cc:6166
  10. 2016 Dodge Challenger 392 Hemi Scat Pack Shaker 6.4L V8 cid:392 cc:6424
  11. 2016 Dodge Challenger R/T Scat Pack 6.4L V8 cid:392 cc:6424
  12. 2016 Dodge Challenger SRT 392 6.4L V8 cid:392 cc:6424
  13. 2016 Dodge Challenger SRT Hellcat 6.2L V8 cid:376 cc:6166
  14. 2015 Dodge Challenger SRT 392 6.4L V8 cid:392 cc:6424
  15. 2015 Dodge Challenger Scat Pack 6.4L V8 cid:392 cc:6424
  16. 2015 Dodge Challenger SRT Hellcat 6.2L V8 cid:376 cc:6166
  17. show all...
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About this product

Part #: 817739

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.

More Details

Catalytic Converter IncludedNo
ColorBlack
Exhaust SeriesAmerican Thunder
Exhaust TypeDual
Exit PositionDual Rear
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
Outlet Diameter3.000 in.
Outlet Outside Diameter3.000 in.
ShapeOval
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 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.
Additional Documents
  1. Certificate of Originpdf
  2. Installation Instructionspdf
  3. Warrantypdf

See what our community says about flowmaster products

product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Sound of the system, quality of the flowmaster product and their name speaks for itself.
Is this your first time buying from this brand? Did you consider other brands?
No I have used flowmater before on other rides.
Was it easy to install? Any installation tips that will help others?
Relatively easy to install with the proper tool.
Once you've had a chance to use the product, did it meet your expectations?
Good purchase, very pleased
Any additional comments?
Has a bit of a drone but easy to drown out with the stereo.
View on James's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
I love the way they sound and i hope the power is there i have had them for so long maybe one day ill get new stuff
Is this your first time buying from this brand? Did you consider other brands?
nope they were a find in a srap yard
Was it easy to install? Any installation tips that will help others?
nope
Once you've had a chance to use the product, did it meet your expectations?
yup
Any additional comments?
nope
View on Joseph's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
I was looking for a certain sound, and this delivered!
Is this your first time buying from this brand? Did you consider other brands?
Yes, first time.
View on Logan's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Wanted a great sound from the mild 355 motor and were affordable for the custom exhaust I built.
Is this your first time buying from this brand? Did you consider other brands?
yes
View on Alex's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
was already on car but is alright for what it is
Is this your first time buying from this brand? Did you consider other brands?
no
Was it easy to install? Any installation tips that will help others?
Was welded on when got just take exhaust to shops they can weld better than you.
Once you've had a chance to use the product, did it meet your expectations?
Its fine but I wish it was a bit louder
Any additional comments?
buy corsa
View on Chance's build

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    About Flowmaster

    Manufacturer of performance exhaust systems, mufflers, cold air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels.

    Benefits of adding this mod

    An upgraded exhaust system is one of the easiest modifications that offers an immediate, noticeable performance improvement. Whether you’re cruising an M3 or modding a diesel truck, an upgraded exhaust will open up the restrictive factory system, allowing your engine to breathe better and deliver peak power! From lighter weight exhaust headers to improved cat-back systems, to better sounding mufflers, modifying your exhaust setup is a great place to express the character of your ride in a unique and cost effective way. Whatever you’re looking for in a modified exhaust system, we can provide the absolute best systems to make your vision a reality.

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    we ship worldwide!

    Based in California with 3 warehouses across the country, we’re sending out shipments everyday of the week, even Saturdays. Because your next mod shouldn’t have to wait.

    + FREE GROUND SHIPPING ON U.S. ORDERS OVER $99
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    Have a question? Ask an Expert!

    Finding the best parts can be tricky

    - but not to worry! Our team of experienced American Muscle, JDM, Euro, and off-road tuners are ready to answer your questions (as long as we’re not in the garage wrenching on our own builds).

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    Matt Farah

    Smoking Tire / The Drive

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    Thank you for all the help, really. You guys are awesome. This is all great info and I really appreciate everything you have done to help me with my build.

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    Ford Focus ST

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    Your customer service is wonderful. Thank you for taking care of this. My review will express all. Thank you!

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    Chevrolet Silverado 1500