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Flowmaster 817750 - American Thunder Cat Back Exhaust System

Name: Flowmaster 817750 - American Thunder Cat Back Exhaust System (817750)
Brand: Flowmaster
SKU: 5b0002c7259b31d67f88e33a
Price: 840.95 USD
Availability: InStock

$840.95

$935.00

You save: $94.05 (10%) off MSRP

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This part fits

2018 Ford Mustang EcoBoost 2.3L L4 cid:140 cc:2300
2018 Ford Mustang EcoBoost Premium 2.3L L4 cid:140 cc:2300
2016 Ford Mustang EcoBoost 2.3L L4 cid:140 cc:2300
2016 Ford Mustang EcoBoost Premium 2.3L L4 cid:140 cc:2300
2015 Ford Mustang EcoBoost 2.3L L4 cid:140 cc:2300
2015 Ford Mustang EcoBoost Premium 2.3L L4 cid:140 cc:2300

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About this product

Part #: 817750

Flowmaster's American Thunder Cat-back exhaust system for the 2015-2018 Ford Mustang is perfect for the person looking for an aggressive exterior sound level while maintaining a moderate interior sound with all of the performance benefits that you would expect from Flowmaster. This bolt on 409S stainless steel system for the 2.3L EcoBoost engine features 2.50in mandrel bent tubing that splits into dual 2.25in pipes for maximum performance and then runs into Outlaw Series mufflers. The system is finished off with dual 4.00in 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. Note: This system fits hardtops and convertibles.

More Details

Catalytic Converter Included	No
Color	Black
Exhaust Type	Dual
Exit Position	Dual Rear
Exit Style	Straight
Heat Shield Attached	No
Inlet Diameter	3.000 in.
Material	Stainless Steel
Mount Type	Flanged
Muffler Part Number	Kit Only
Muffler Series	Outlaw
Muffler Type	Welded Baffle
Outlet Diameter	3.000 in.
Outlet Outside Diameter	2.250 in.
Shape	Oval
Single or Dual	Dual
Sound Level	Moderate/Aggressive
System Type	Cat Back
Tail Pipe Diameter	2.250 in.
Tail Pipe Diameter	3.000 in.
Tip Cut	Angle
Tip Diameter	4.000 in.
Tip Finish	Polished
Tip Material	Stainless Steel
Tip Quantity	2
Tip Shape	Round
Tip Type	Double Wall
Title	Flowmaster 817750 Cat-back System - 409S- DOR - American Thunder Kit - Mod/Agg Sound
Tubing Diameter	3.000 in.
Tubing Material	Stainless Steel

Additional Documents

See what our community says about flowmaster products

256

Seth Law

1998 Ford Mustang

What made you choose this particular product?

I like the sound of Flowmaster and I like the new exhaust look

Is this your first time buying from this brand? Did you consider other brands?

no all of my other Mustangs had Flowmasters installled

View on Seth's build

180

James Shively

2010 Chevrolet Camaro

What made you choose this particular product?

Sound of the system, quality of the flowmaster product and their name speaks for itself.

Is this your first time buying from this brand? Did you consider other brands?

No I have used flowmater before on other rides.

Was it easy to install? Any installation tips that will help others?

Relatively easy to install with the proper tool.

Once you've had a chance to use the product, did it meet your expectations?

Good purchase, very pleased

Any additional comments?

Has a bit of a drone but easy to drown out with the stereo.

View on James's build

292

Joseph Espinosa

1964 International 1100C

What made you choose this particular product?

I love the way they sound and i hope the power is there i have had them for so long maybe one day ill get new stuff

Is this your first time buying from this brand? Did you consider other brands?

nope they were a find in a srap yard

Was it easy to install? Any installation tips that will help others?

nope

Once you've had a chance to use the product, did it meet your expectations?

yup

Any additional comments?

nope

View on Joseph's build

Alex Caison

1991 GMC S-15 Jimmy

What made you choose this particular product?

Wanted a great sound from the mild 355 motor and were affordable for the custom exhaust I built.

Is this your first time buying from this brand? Did you consider other brands?

yes

View on Alex's build

1.7k

Chance Cross

1985 Chevrolet Corvette

What made you choose this particular product?

was already on car but is alright for what it is

Is this your first time buying from this brand? Did you consider other brands?

Was it easy to install? Any installation tips that will help others?

Was welded on when got just take exhaust to shops they can weld better than you.

Once you've had a chance to use the product, did it meet your expectations?

Its fine but I wish it was a bit louder

Any additional comments?

buy corsa

View on Chance'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.

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