axle-back

Flowmaster - American Thunder Axle Back Exhaust System (817748)

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$643.95

$715.95

You save: $72.00 (10%) off MSRP

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This part fits

  1. 2018 Ford Mustang EcoBoost 2.3L L4 cid:140 cc:2300
  2. 2018 Ford Mustang EcoBoost Premium 2.3L L4 cid:140 cc:2300
  3. 2017 Ford Mustang EcoBoost 2.3L L4 cid:140 cc:2300
  4. 2017 Ford Mustang EcoBoost Premium 2.3L L4 cid:140 cc:2300
  5. 2016 Ford Mustang EcoBoost Premium 2.3L L4 cid:140 cc:2300
  6. 2016 Ford Mustang V6 3.7L V6 cid:227 cc:3726
  7. 2016 Ford Mustang EcoBoost 2.3L L4 cid:140 cc:2300
  8. 2015 Ford Mustang EcoBoost 2.3L L4 cid:140 cc:2300
  9. 2015 Ford Mustang EcoBoost Premium 2.3L L4 cid:140 cc:2300
  10. 2015 Ford Mustang V6 3.7L V6 cid:227 cc:3726
Authorized Dealer

About this product

Part #: 817748

Flowmaster's American Thunder Axle-back exhaust system for the 2015-2018 Ford Mustang is perfect for the person looking for a moderately aggressive sound level outside of the car, while maintaining a mild sound level inside, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR (Dual Out Rear) emissions-legal system for cars with the 2.3L EcoBoost or 3.7L V6 engine features 3.00in inlet pipes that flow into a pair of Super 10 series mufflers for maximum performance. The system is built out of 409S stainless steel and utilizes 4.00in polished Stainless Steel Flowmaster embossed tips. 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. Note: This system fits hardtops and convertibles.

More Details

Catalytic Converter IncludedNo
ColorBlack
Exhaust TypeDual
Exit PositionDual Rear
Exit StyleStraight
Heat Shield AttachedNo
Inlet Diameter3.500 in.
Inlet Inside Diameter3.000 in.
MaterialStainless Steel
Mount TypeFlanged
Muffler Count2
Muffler Part NumberKit Only
Muffler SeriesSuper 10 Series
Muffler TypeWelded Baffle
Outlet Diameter3.000 in.
ShapeOval
Single or DualDual
Sound LevelModerate
System TypeAxle Back
Tail Pipe Diameter3.000 in.
Tip CutAngle
Tip Diameter4.000 in.
Tip Edge StyleCut
Tip Length5.250 in.
Tip LogoEmbossed
Tip MaterialStainless Steel
Tip ShapeRound
Tip TypeDouble Wall
TitleFlowmaster 817748 Axle-back System - 409S - Dual Rear Exit - American Thunder - Moderate 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?
Price and sound
Is this your first time buying from this brand? Did you consider other brands?
Yes it’s my first time and yes I did
Was it easy to install? Any installation tips that will help others?
It was really difficult factory had a mega muffler
Once you've had a chance to use the product, did it meet your expectations?
Yes
View on Weston'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 wanted my muscle car to sound like a muscle car.
Is this your first time buying from this brand? Did you consider other brands?
I previously ordered a Dynomax exhaust and waited 4 months, however it was out of stock.
Was it easy to install? Any installation tips that will help others?
Hatch tire and Auto installed it.
Once you've had a chance to use the product, did it meet your expectations?
I just had it installed. There is a bit more drone, but that is to be expected if you want that deeper tone.
View on DANIEL's build
Cole Perkins

20

Cole Perkins
2004 Ford Ranger
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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
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.

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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