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Flowmaster 817587 - American Thunder Cat Back Exhaust System

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$859.73

$1,123.82

You save: $264.09 (23%) off MSRP

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Check to see if this fits your vehicle

This part fits

  1. 2014 Ford Mustang GT 5.0L V8 cid:302 cc:4951
  2. 2013 Ford Mustang GT 5.0L V8 cid:302 cc:4951
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About this product

Part #: 817587

For the serious enthusiast who is looking for all the performance benefits of a complete Cat-back dual exhaust system, this is it. As an American Thunder system, it delivers an aggressive exterior sound level and a moderate interior tone that is suited to the enthusiast who wants to be heard. With maximum performance and easy fit in mind, the system is mandrel bent and includes specially engineered mufflers featuring Delta Flow technology. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for a simple installation. Note: does not fit GT500.

More Details

2WD/4WD2WD
Automotive Item GradeHigh Performance Part
Bullet Point #1Mandrel bent 16 gauge stainless steel tubing
Bullet Point #2Aggressive Sound Exterior Exhaust Tone
Bullet Point #3Header-back System
Bullet Point #4Flowmaster quality
Exhaust SeriesAmerican Thunder
Exhaust TypeSingle
Exit PositionDual Rear Exit
Exit StyleStraight
Heat ShieldNo
Heat Shield AttachedNo
Inlet Diameter3
Inlet Diameter (in)3
Inlet Inside Diameter (in.)3
MaterialStainless Steel
Muffler Count2
Muffler Part NumberKit Only
Muffler Quantity2
Muffler Series60 Series
Outlet Diameter3.0 in.
Outlet Diameter (in)3
Outlet Outside Diameter (in.)3
Single DualDual
Single or DualDual
Sound LevelAggressive Sound
System TypeCat Back
System TypeCat-back System
Tip Diameter (in)4
Tip Diameter (in.)4
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?
Gret price , looks and sounds good
Is this your first time buying from this brand? Did you consider other brands?
No
View on Matthew'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?
Recommended to me by a friend.
Is this your first time buying from this brand? Did you consider other brands?
Yes, first time.
View on Sam's build
Jimmy Coke An Hour

27

Jimmy Coke An Hour
1998 GMC Sierra 1500
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 better flow and the muffler was free to me
Is this your first time buying from this brand? Did you consider other brands?
Yes
View on Jimmy'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?
Installed by previous owner.
Is this your first time buying from this brand? Did you consider other brands?
Installed by previous owner.
View on Jordan's build
Aaron Welliver

47

Aaron Welliver
2012 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?
The mufflers were pre-installed when I bought the car.
Is this your first time buying from this brand? Did you consider other brands?
Pre-Installed
Was it easy to install? Any installation tips that will help others?
Pre-Installed
View on Aaron'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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This is an awesome new site where enthusiasts can get together and figure out what products work best on their ride.

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