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Exhaust System Kit

Flowmaster - American Thunder Cat Back Exhaust System (817759)

$1,491.44

$1,949.59

You save: $458.15 (23%) off MSRP

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This part fits

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

Part #: 817759

Flowmaster's American Thunder Cat-back "Active" exhaust system for the 2015-2018 Dodge Challenger SRT 392, R/T Scat Pack models with 6.4L engine, as well as SRT Hellcat with the 6.2L engine. This exhaust system is for all models with the factory "Active Exhaust" option and is perfect for the person looking for a very aggressive exterior sound level when hard on the gas, while maintaining a moderate exterior and interior sound while cruising. This bolt-on 409S stainless steel system features a dual 3.00" Scavenger X-pipe assembly that runs into a pair of specially built Super 40 Series mufflers and uses 3.00" mandrel bent tailpipes with built-in active exhaust valves and is finished off with 3.50" quad stainless steel embossed tips. The exhaust system is manufactured in the USA and 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

Bullet Point #1For Factory Active Exhaust Option
Bullet Point #2Dyno Tuned for Maximum Performance
Bullet Point #3Stainless Steel Construction
Bullet Point #4Made in the USA
Exhaust SeriesAmerican Thunder
Exhaust TypeDual
Exit QuantityQuad
Exit StyleTurn Down
Hanger IncludedNo
Heat ShieldNo
Heat Shield AttachedNo
Muffler Body Length (in)13.5
Muffler Body Length (in.)13.500
Muffler Body Material409S Stainless Steel
Muffler Body ShapeOval
Muffler Inlet Diameter (in)3
Muffler Inlet Diameter (in.)3.000
Muffler Outlet Diameter (in)3
Muffler Outlet Diameter (in.)3.000
Muffler Overall Length (in)20
Muffler Overall Length (in.)20.000
Muffler Part NumberKit Only
Muffler Quantity2
Pipe MaterialStainless Steel
Single or DualDual
Sound LevelModerate/Aggressive
System TypeCat Back
Tip Length (in)9.5
Tip LogoEmbossed
Tip Material304 Stainless
Additional Documents
  1. Certificate of Originpdf
  2. Installation Instructionspdf
  3. Warrantypdf

See what our community says about flowmaster products

Kevin Westhoff

39

Kevin Westhoff
2003 Ford F-150
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?
my family has bought from flow master before, and the cost was low, and the note it makes at idle is amazing but not too loud
Is this your first time buying from this brand? Did you consider other brands?
i considered several others but flow master took my heart with the signature truck note
Was it easy to install? Any installation tips that will help others?
i installed it myself i welded it in
View on Kevin'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?
It was on the car when I got it.
Was it easy to install? Any installation tips that will help others?
Yep cuz someone else did it!
Once you've had a chance to use the product, did it meet your expectations?
Sounds good, tempted to a muffler delete because it needs more loud.
View on Tommy'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?
The sound output. Just right
Is this your first time buying from this brand? Did you consider other brands?
Yes, No.
Was it easy to install? Any installation tips that will help others?
Vary easy and light weight. Be sure to install in in the right orientation or you will need to take it off and redo it. (dont ask)
Once you've had a chance to use the product, did it meet your expectations?
Exceeded them!
View on Michael'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?
upgrade
Is this your first time buying from this brand? Did you consider other brands?
yes
Was it easy to install? Any installation tips that will help others?
yes if you have a welder
Once you've had a chance to use the product, did it meet your expectations?
yes
View on DUCK4TWENTY'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?
It gives Chevy 3.8 liter a better exhaust sound
Is this your first time buying from this brand? Did you consider other brands?
I consider spintech mufflers
Was it easy to install? Any installation tips that will help others?
They were just welded in place
Once you've had a chance to use the product, did it meet your expectations?
yes
View on Donte'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.

    James M.

    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!

    Wallace R

    Chevrolet Silverado 1500