cat-back

Flowmaster 817494 - American Thunder Cat Back Exhaust System

Name: Flowmaster 817494 - American Thunder Cat Back Exhaust System (817494)
Brand: Flowmaster
SKU: 5b00023d259b31d67f87db8c
Price: 919.95 USD
Availability: InStock

$919.95

$1,022.95

You save: $103.00 (10%) off MSRP

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Check to see if this fits your vehicle

This part fits

2010 Ford Mustang GT 4.6L V8 cid:281
2009 Ford Mustang Bullitt 4.6L V8 cid:281
2009 Ford Mustang GT 4.6L V8 cid:281
2008 Ford Mustang Bullitt 4.6L V8 cid:281
2008 Ford Mustang GT 4.6L V8 cid:281
2008 Ford Mustang Shelby GT 4.6L V8 cid:281
2007 Ford Mustang GT 4.6L V8 cid:281
2007 Ford Mustang Shelby GT 4.6L V8 cid:281
2006 Ford Mustang GT 4.6L V8 cid:281
2005 Ford Mustang GT 4.6L V8 cid:281

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About this product

Part #: 817494

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.

More Details

Exhaust Series	American Thunder
Exhaust Type	Dual
Exit Position	Dual Rear
Exit Style	Straight
Heat Shield Attached	No
Inlet Diameter	2.500 in.
Inlet Inside Diameter	3.000 in.
Material	Stainless Steel
Muffler Count	2
Muffler Part Number	Kit Only
Muffler Series	60 Series Delta Flow
Outlet Diameter	3.000 in.
Outlet Outside Diameter	3.000 in.
Single or Dual	Dual
Sound Level	Aggressive
System Type	Cat Back
Tail Pipe Diameter	3.000 in.
Tip Diameter	4.000 in.
Tip Quantity	2
Title	Flowmaster 817494 Cat-back System 409S - Dual Rear Exit - American Thunder - Aggressive Sound
Tubing Diameter	3.000 in.

Additional Documents

See what our community says about flowmaster products

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

118

Sergio Godoy

1992 Nissan 240SX

What made you choose this particular product?

I didnt want it to be obnoxious because It was my daily. Sounds good.

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

Yes, Flowmaster is high quality. I did consider the 40 series.

View on Sergio's build

1.7k

Jordan Adamson

2003 Ford Explorer Sport Trac

What made you choose this particular product?

it was a gift for high school graduation from my uncle, i've been wanting a flowmaster for quite some time, so finally having one made me happy.

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

yes, having never put an exhaust on any car that i or my family has owned, flowmaster had the best sound to make my 4.0 more noisy without being obnoxious

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

did require cutting and welding

View on Jordan's build

109

Matt Wood

2015 Ford Mustang

What made you choose this particular product?

I already had the Flowmaster Axle Back to go with it.

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

I have other parts from Flowmaster.

View on Matt'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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