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Flowmaster 817312 American Thunder Cat-Back Exhaust System

(1999-2004 Ford Mustang)

Part of: Flowmaster American Thunder Cat-Back Exhaust System

Other options in this family: Flowmaster 17395 Flowmaster 817568 Flowmaster 17213 Flowmaster 818196 Flowmaster 818176

Manufacturer

Picture for manufacturer Flowmaster

Part Number

817312
13 reviews
Sale Price

$1,049.95

In Stock (6)

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Usually delivered within 2 days

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Product Details

The Flowmaster 817312 American Thunder Cat-Back Exhaust System delivers enhanced performance and an aggressive exhaust note for enthusiasts seeking both power gains and distinctive sound. This complete cat-back system features mandrel-bent 16-gauge stainless steel tubing designed to maximize exhaust flow and reduce backpressure, while the dyno-tuned design ensures optimal performance gains across the RPM range.

Key Features:

  • Super 40 Series performance mufflers deliver moderate exterior exhaust tone with aggressive sound characteristics
  • Mandrel-bent 16-gauge stainless steel tubing maintains consistent diameter throughout bends for maximum flow
  • 3.00-inch polished 304 stainless steel tips provide a premium finished appearance
  • Utilizes factory hanger locations for direct bolt-on installation without modification
  • Includes all necessary hangers and hardware for straightforward installation
  • Dyno-tuned engineering optimizes power and torque delivery
  • Backed by Flowmaster's Lifetime Limited Warranty for long-term peace of mind

This American Thunder system combines Flowmaster's legendary Super 40 muffler technology with precision-engineered tubing to deliver noticeable performance improvements and a signature exhaust tone that turns heads. The stainless steel construction ensures durability and corrosion resistance for years of reliable performance.

Products specifications

Fits

1999-2004 Ford Mustang

Brand

Flowmaster

Prop 65

Yes

California Proposition 65 Chemical Name

Nickel (Metallic)

California Proposition 65 Chemical Name

Chromium (hexavalent compounds)

Catalytic Converter Quantity

0

Category

Exhaust

Clamping Type

Flat Band

Clamps Included

Yes

Drive

2WD

Emission Code

5

Exhaust Series

American Thunder

Exhaust Tip Color

Silver

Exhaust Tip Connection

Welded

Exhaust Tip Cut

Angled

Exhaust Tip Edge

Slash Cut

Exhaust Tip Finish

Polished

Exhaust Tip Intercooled

No

Exhaust Tip Length

12.875

Exhaust Tip Material

304 Stainless Steel

Exhaust Tip Quantity

2

Exhaust Tip Resonated

No

Exhaust Tip Shape

Round

Exhaust Tip Wall

Single Wall

Exit Style

Dual Out Rear

Finish

Natural

Gasket Or Seal Included

No

Grade Type

Performance

Hangers Included

Yes

Heat Shield Included

No

Inlet Diameter

2.50

Inlet Type

Flanged

Mounting Bracket Included

No

Muffler (Left) Body Width

10.00

Muffler (Left) Type

Chambered

Muffler (Right) Type

Chambered

Muffler Body Material

409 Stainless Steel

Muffler Body Shape

Oval

Muffler Finish

Black High-Temperature Paint Finish

Muffler Flanged Inlet

Yes

Muffler Flanged Outlet

No

Muffler Inlet Connection

Loose Flange

Muffler Outlet Connection

Slip-Fit

Muffler Outlet Quantity

1

muffler part number

Kit Only

Muffler Quantity

2

Muffler Series

Super 40 Series

Muffler Type

Chambered

Pipe Color

Silver

Pipe Material

409 Stainless Steel

Product Type

Exhaust System

Sound Level

Aggressive / Moderate

Spring Bolt Kit Included

No

Sub Category

Exhaust and Tail Pipes

Tail Pipe Quantity

Dual

Tail Pipe Quantity

2

Tail Pipe Tapered Outlet

No

Type

Cat-Back

Valve Included

No

Valve Type

Not Applicable

Warning

California Proposition 65

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I found the tire I have on my car now to match

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Kind of confusing at first. Home address in Washington, but vacationing in Arizona where the jeep is. Ok now though. Thanks

Received product fast was exactly what I needed thanks

thanks

Fast service and shipping, Plus the lowest price for the high performance k&n air filter<br>I wanted.

very fast processing received product within a few days. fair prices. will do business with again.

First time buyer and couldn't be happier with the service and follow through! Great Job Autoplicity!!!

clear product description. Quick checkout process.

Completely amazed by this seller. I recieved the rack in just 2 days and the price was unbeatable. I'm just stoked to have finally found a bike rack worth having!!

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