SKU: 42838883180

1999-2004 Ford Mustang Cat-Back Exhaust Flowmaster Stainless Steel

Sale price$472.48 Regular price$524.98
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Ships within 48 hours · Estimated delivery Sep 24 - Sep 29

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Description

1999-2004 Ford Mustang Cat-Back Exhaust Flowmaster Stainless SteelOverview: For the person who is looking for a complete Flowmaster cat back dual exhaust system with an aggressive tone. With easy fit in mind, this American Thunder exhaust system features mandrel bent 2. 50 inch stainless steel tubing for maximum performance and includes a pair of specially selected Super 40 Series performance mufflers. The custom tailpipes feature added clearance and exit in the factory location with large 3. 00 inch polished tips.

Overview:

For the person who is looking for a complete Flowmaster® cat-back dual exhaust system with an aggressive tone. With easy fit in mind, this American Thunder® exhaust system features mandrel-bent 2.50-inch stainless steel tubing for maximum performance and includes a pair of specially selected Super 40® Series performance mufflers. The custom tailpipes feature added clearance and exit in the factory location with large 3.00-inch polished tips. The system uses the factory hanger locations for an easy install and delivers a moderate to aggressive interior and exterior tone, best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage and are designed for an easy fit. The system includes all necessary parts, hardware and instructions for an easy installation you can do at home.

Features:

  • Fits Most GM Heads with D-shaped Exhaust Ports
  • Flowmaster Ball & Socket Collector Connections
  • Dyno-tuned for Maximum Performance
  • 16-gauge Stainless Steel Construction
  • High Temperature Ceramic Coating
  • Covers Many GM Models with SBC
  • Heavy 3/8-inch Thick Flanges
  • Specs:

  • Brand: Flowmaster
  • CARB (California) Compliant: Yes
  • Catalytic Converter Included: No
  • Catalytic Converter Quantity: 0
  • Clamping Type: Flat Band
  • Clamps Included: Yes
  • 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 Material: 304 Stainless Steel
  • Exhaust Tip Quantity: 2
  • 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: 2.5
  • Inlet Type: Flanged
  • Main Piping Diameter: 2.5
  • Mounting Bracket Included: No
  • Muffler (Left) Body Height: 5
  • Muffler (Left) Body Length: 13.5
  • Muffler (Left) Body Width: 10
  • Muffler (Left) Type: Chambered
  • Muffler (Right) Body Height: 5
  • Muffler (Right) Body Length: 13.5
  • Muffler (Right) Body Width: 10
  • Muffler (Right) Type: Chambered
  • Muffler Body Height: 5
  • Muffler Body Length: 13.5
  • Muffler Body Material: 409 Stainless Steel
  • Muffler Body Shape: Oval
  • Muffler Body Width: 10
  • Muffler Finish: Black High-Temperature Paint Finish
  • Muffler Flanged Inlet: Yes
  • Muffler Flanged Outlet: No
  • Muffler Included: Yes
  • Muffler Inlet Connection: Loose Flange
  • Muffler Inlet Inside Diameter: 2.5
  • Muffler Inlet Outside Diameter: 2.63
  • 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
  • Sound Level: Aggressive / Moderate
  • Spring Bolt Kit Included: No
  • Tail Pipe Outlet Outside Diameter: 2.5
  • Tail Pipe Quantity: 2
  • Tail Pipe Tapered Outlet: No
  • Type: Cat-Back
  • Valve Included: No
  • Valve Type: Not Applicable
  • Part Number: 817312
  • Applications:

    • 1999-2004 Ford Mustang 281 CID

    Emissions:

    • This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. Standard Shipping : 3-10 business days
    • If time is of the essence, please consider selecting expedited delivery for faster service.
    Exchange/Return Notes
    • We offer a 30-day return/exchange service after receiving.
    • Final sale items are not eligible for returns or exchanges.
    • To process your return/exchange, please contact us at [email protected]
    • Please click here for more details>>> Return & Exchange Policy
    SKU: 42838883180

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    Poodle Lover
    Phoenix, US
    ★★★★★ 5
    Great price and high quality set!
    Great price and packaged well. Knifes are sharp. The tips of each had plastic for shipping protection.
    WAS THIS REVIEW HELPFUL?YesReportShare
    Reviewed in the United States on May 1, 2026
    Y
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    Yilainy franco
    Boise, US
    ★★★★★ 3
    Sharp knives, but some defects
    The knives cut well and are generally functional. However, I had some issues with the overall quality. The handle doesn’t feel secure when holding it and arrived slightly peeled, which raises concerns about durability. Additionally, the largest knife arrived with a slightly bent tip, which was disappointing. They work, but the quality control and packaging could definitely be improved. For these reasons, I can’t give a higher rating.
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    Reviewed in the United States on January 24, 2026
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    Mike
    Phoenix, US
    ★★★★★ 5
    Top quality set and gorgeous
    Color: White
    Absolutely beautiful set and very very sharp out of the box it looks fantastic it feels great in your hands not flimsy very strong solid knife set I highly recommend I love it Great price too
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    Reviewed in the United States on May 14, 2026
    B
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    BusyMama2
    Pawtucket, US
    ★★★★★ 5
    Impressive…
    Color: Black, Color: Black
    My first knife set! All I can say is it’s really sharp and the quality of these knife’s and block is sturdy and beautiful in person. I cook everyday and this is the far best one I ever have! You won’t regret it getting this well spent for my money :)
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    Reviewed in the United States on April 13, 2026
    Y
    Verified Purchase
    Yijing
    Louisville, US
    ★★★★★ 5
    Good quality
    Color: White, Color: White
    5 Stars - Excellent Quality and Performance! I couldn't be happier with this knife set! Each knife is incredibly sharp right out of the box and cuts through everything with ease—whether it's vegetables, meat, or bread. The handles are comfortable to hold and well-balanced, making food prep a breeze. The design is sleek and looks great in my kitchen. I've used them daily for a few weeks now, and they’re still holding up perfectly. This set offers outstanding quality at a great price. Highly recommended for home cooks and pros alike!
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    Reviewed in the United States on April 4, 2025

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