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Flowmaster 17248 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

17248
6 reviews
Sale Price

$949.95

1 left at this price

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Usually delivered within 2 days

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Product Details

The Flowmaster American Thunder Cat-Back Exhaust System delivers a performance upgrade with a moderate, aggressive exterior exhaust tone that turns heads without overwhelming your cabin. This complete bolt-on system is engineered for enthusiasts seeking improved horsepower and torque while maintaining street-friendly sound levels.

Key Features:

  • Super 40 Series performance mufflers with Flowmaster's signature chambered design for optimal flow and sound
  • Mandrel-bent 16-gauge aluminized steel tubing maintains consistent diameter for maximum exhaust flow
  • 3.00-inch polished stainless steel tips add a premium finishing touch
  • Dyno-tuned for maximum performance gains across the RPM range
  • Uses factory hanger locations for quick, straightforward installation
  • Includes all necessary hangers and hardware for a complete bolt-on installation

Backed by over 35 years of Flowmaster engineering excellence and covered by a 3-year limited warranty, this American Thunder system combines performance, durability, and that iconic Flowmaster sound in one comprehensive package.

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 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

Aluminized

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 Body Material

Aluminized Steel

Muffler Body Shape

Oval

Muffler Finish

Black High-Temperature Paint Finish

Muffler Flanged Inlet

Yes

Muffler Flanged Outlet

No

Muffler Inlet Connection

Welded 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

Aluminized 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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