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Flowmaster - American Thunder Cat Back Exhaust System (817658)

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$755.95

$839.95

You save: $84.00 (10%) off MSRP

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TOP MEMBER BUILDS RUNNING THIS MOD

Flowmaster - American Thunder Cat Back Exhaust System

This part fits

  1. 2017 Dodge Charger Daytona 5.7L V8 cid:345
  2. 2017 Dodge Charger Enforcer 5.7L V8 cid:345
  3. 2017 Dodge Charger Pursuit 5.7L V8 cid:345
  4. 2017 Dodge Charger R/T 5.7L V8 cid:345
  5. 2016 Dodge Charger Enforcer 5.7L V8 cid:345
  6. 2016 Dodge Charger Pursuit 5.7L V8 cid:345
  7. 2016 Dodge Charger R/T 5.7L V8 cid:345
  8. 2016 Dodge Charger R/T Road & Track 5.7L V8 cid:345
  9. 2015 Dodge Charger R/T 5.7L V8 cid:345
  10. 2015 Dodge Charger R/T Road & Track 5.7L V8 cid:345
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About this product

Part #: 817658

Flowmaster's American Thunder Cat-back exhaust system for the 2015-2016 Dodge Charger R/T with the 5.7L V8 engine and 2015-2018 Chrysler 300 with 5.7L V8 engine is perfect for the person looking for an aggressive exterior and interior sound level 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 for a deep, aggressive sound. The system uses a 2.50 inch Scavenger Series X-Pipe and mandrel bent tubing for maximum performance and then is finished off with 2.50 inch 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
Exhaust SeriesAmerican Thunder
Exhaust TypeDual
Exit PositionDual Rear
Exit StyleStraight
Heat Shield AttachedNo
Inlet Diameter2.500 in.
Inlet Inside Diameter2.500 in.
MaterialStainless Steel
Mount TypeFlanged
Muffler Count2
Muffler Part NumberKit Only
Muffler SeriesSuper 44
Outlet Diameter2.500 in.
Outlet Outside Diameter2.500 in.
ShapeOval
Single or DualDual
Sound LevelModerate/Aggressive
System TypeCat Back
Tail Pipe Diameter2.500 in.
Tip CutAngle
Tip Diameter2.500 in.
Tip Edge StyleCut
Tip Length3.250 in.
Tip LogoNone
Tip Quantity2
Tip ShapeRound
Tip TypeSingle Wall
TitleFlowmaster 817658 Cat-back System 409S - DOR - American Thunder - Moderate/Aggressive Sound
Tubing Diameter2.500 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
Any additional comments?
Stock exhaust, cut a 12in section off after the cats which are gutted. Love the sound, love the look of the exhaust tips so 90% of the exhaust is still intact.
View on Skylar'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?
Despite for a little 4 cylinder it sounds good
View on Chris's build
Sam Jacobson

311

Sam Jacobson
2013 Dodge Dart
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 wanted an exhaust note on my car and it was a great price for what it is ($439.99)
Is this your first time buying from this brand? Did you consider other brands?
Yes, my expectations were perfect for what I got.
View on Sam's build
Julien Lefebvre

317

Julien Lefebvre
1990 Ford Mustang
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?
Best sounding muffler IMO
Was it easy to install? Any installation tips that will help others?
Yes
Once you've had a chance to use the product, did it meet your expectations?
Yes
Any additional comments?
No
View on Julien's build
Trevor Anderson

13

Trevor Anderson
2001 Ford Ranger
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?
Performance and sound
Is this your first time buying from this brand? Did you consider other brands?
Yes, first time
Was it easy to install? Any installation tips that will help others?
Professionally installed
Once you've had a chance to use the product, did it meet your expectations?
It sounds way better than I expected but I can’t fell a difference performance wise
View on Trevor's build

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  • California prop 65 warningWARNING: Cancer and Reproductive Harm www.p65warnings.cs.gov

    *Some manufacturer restrictions apply.

    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