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axle-back

Flowmaster - American Thunder Axle Back Exhaust System (817807)

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$689.95

$766.95

You save: $77.00 (10%) off MSRP

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Check to see if this fits your vehicle

This part fits

  1. 2019 Ford Mustang GT Premium 5.0L V8 cid:302 cc:4951
  2. 2019 Ford Mustang GT 5.0L V8 cid:302 cc:4951
  3. 2018 Ford Mustang GT 5.0L V8 cid:302 cc:4951
  4. 2018 Ford Mustang GT Premium 5.0L V8 cid:302 cc:4951
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About this product

Part #: 817807

Flowmaster's American Thunder Axle-back exhaust system for the 2018 and 2019 Ford Mustang GT with the 5.0L engine is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This bolt-on 409S stainless steel system features single 3.00 inch mandrel-bent tubing and two Super 44 series mufflers for maximum power and exterior sound quality, but with a moderate and pleasant interior tone at cruising speeds. Other features include quad 4.00 inch polished tips. This system includes all necessary parts, hardware and instructions for an easy installation. NOTE: This kit will not fit vehicles with the Active Performance Exhaust option.

More Details

Catalytic Converter IncludedNo
Exhaust SeriesAmerican Thunder
Exhaust TypeAxle-Back
Exit PositionDual Out Rear
Inlet Inside Diameter3.000 in.
Mount TypeUses Factory Hangers
Muffler Body Length13.000 in.
Muffler Body Material409S Stainless Steel
Muffler Body ShapeOval
Muffler ColorBlack
Muffler Count2
Muffler FinishPainted
Muffler Inlet Diameter2.500 in.
Muffler Inlet LocationOffset
Muffler Outlet Diameter3.000 in.
Muffler Outlet LocationDual Outlet
Muffler Overall Length51.500 in.
Muffler Part NumberKit Only
Muffler SeriesSuper 44
Muffler TypeReflection
Single or DualDual
Sound LevelModerate/Aggressive
Tip Diameter4.000 in.
Tip Length5.250 in.
Tip LogoEmbossed
Tip Material304 Stainless Steel
Tip Quantity4
Tip ShapeRound
Tip TypeDouble Wall
Tubing Material409S Stainless Steel
Additional Documents
  1. Certificate of Originpdf
  2. Warrantypdf

See what our community says about flowmaster products

Cole Perkins

20

Cole Perkins
2004 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?
Good sound
View on Cole'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?
Crackle's and pops in certain rpm, doesn't sound raspy either
Is this your first time buying from this brand? Did you consider other brands?
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?
Yes
View on Jonathan's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
Was it easy to install? Any installation tips that will help others?
Easy to install, just get a better pair of exhaust hangers.
View on Evan'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?
Researched how it would sound on my truck
Is this your first time buying from this brand? Did you consider other brands?
Yes my first time, and I did consider other brands but decided on Flowmaster
Once you've had a chance to use the product, did it meet your expectations?
It was a great choice and my truck sounds 100 times better than the cherry bomb
View on Jon'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?
Sound awesome
Is this your first time buying from this brand? Did you consider other brands?
No
View on Gary's build

TOP RATED Flowmaster Exhaust

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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Wheelwell helps you organize all your stuff for your car, I’ve loaded all my cars on Wheelwell and you can see all the parts I’ve put in them and that may help you make a decision with your own build.

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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