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    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17248
    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17248
    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17248
    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17248
    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17248
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    • American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang Cobra With 4.6L Dohc Engine Aggressive To Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang Cobra With 4.6L Dohc Engine Aggressive To Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang Cobra With 4.6L Dohc Engine Aggressive To Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System 1999-2004 Ford Mustang Cobra With 4.6L Dohc Engine Aggressive To Moderate Sound Flowmaster
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    • 17248.jpg
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    • aggressivemoderatesoundlevel.jpg
    • 17248_219309.jpg
    • 17248.jpg
    • 17248_419309.jpg
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    Sale!

    Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17248

    Vendor: Flowmaster
    Part Number: 17248
    Save $119
    Sale Price $949.95 Regular Price $1,068.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat-back exhaust system provides. This dual out American Thunder cat-back exhaust system is the perfect choice with a 2.50-inch flanged pipe connecting directly to the catalytic converters, the mandrel-bent aluminized steel inlet tubes flow into a large case Super 40 Series performance mufflers for a deep powerful sound. The system uses the factory hanger locations for an easy installation and features dual 2.50-inch mandrel-bent tailpipes exiting out the back and are finished off with dual 3.00-inch polished stainless steel tips for a muscular look and sound. American Thunder systems deliver a moderate to aggressive exterior tone with a mild-moderate interior tone and are best suited for the enthusiast who wants their performance to be heard. 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 easy installation. Comes with our 3-year Limited Warranty. If you prefer a full stainless steel exhaust system with a Lifetime Limited Warranty, check out system #817248.


    Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17248


    Specifications:

    Brand Flowmaster
    Description_ABR SYS 99-04 MU
    California Proposition 65 Yes
    Description_SHO SYS 99-04 MUSTANG CO
    California Proposition 65 Chemical Name Nickel (Metallic)
    Description_INV 99-04 MUSTANG COBRA 4.6L DOHC AMT
    California Proposition 65 Chemical Name Chromium (hexavalent compounds)
    Description_ASC Fits 1999-2004 Ford Mustang Cobra with 4.6L DOHC engine.
    CARB (California) Compliant Yes
    Description_DES Flowmaster American Thunder Cat-back Exhaust System
    Catalytic Converter Included No
    Description_EXT 1999-2004 Ford Mustang Cobra with 4.6L DOHC engine. - Aggressive to moderate sound
    2874 0
    Description_MKT For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat-back exhaust system provides. This dual out American Thunder cat-back exhaust system is the perfect choice with a 2.50-inch flanged pipe connecting directly to the catalytic converters, the mandrel-bent aluminized steel inlet tubes flow into a large case Super 40 Series performance mufflers for a deep powerful sound. The system uses the factory hanger locations for an easy installation and features dual 2.50-inch mandrel-bent tailpipes exiting out the back and are finished off with dual 3.00-inch polished stainless steel tips for a muscular look and sound. American Thunder systems deliver a moderate to aggressive exterior tone with a mild-moderate interior tone and are best suited for the enthusiast who wants their performance to be heard. 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 easy installation. Comes with our 3-year Limited Warranty. If you prefer a full stainless steel exhaust system with a Lifetime Limited Warranty, check out system #817248.
    Category Exhaust
    Description_FAB Includes Hangers and Hardware for an Easy Installation
    3728 Flat Band
    Description_FAB Mandrel-bent 16-gauge Aluminized Steel Tubing
    1882 Yes
    Description_FAB Includes 3.00-inch Polished Stainless Steel Tips
    Emission Code 5
    Description_FAB Covered by our 3-year Limited Warranty
    Exhaust Series American Thunder
    Description_FAB Dyno Tuned for Maximum Performance
    9874 Welded
    Description_FAB Super 40 Series Performance Mufflers
    9876 Angled
    Description_FAB Over 35+years of Flowmaster Quality
    1162 3.00
    Description_FAB Uses the Factory Hanger Locations
    9877 Slash Cut
    Description_FAB Moderate Exterior Exhaust Tone
    1163 Polished
    Description_FAB Quick and Easy Installation
    9881 No
    Description_ABR SYS 99-04 MU
    10104 12.875
    Description_SHO SYS 99-04 MUSTANG CO
    1164 304 Stainless Steel
    Description_INV 99-04 MUSTANG COBRA 4.6L DOHC AMT
    1161 2
    Description_ASC Fits 1999-2004 Ford Mustang Cobra with 4.6L DOHC engine.
    9878 No
    Description_DES Flowmaster American Thunder Cat-back Exhaust System
    10980 Round
    Description_EXT 1999-2004 Ford Mustang Cobra with 4.6L DOHC engine. - Aggressive to moderate sound
    9875 Single Wall
    Description_MKT For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat-back exhaust system provides. This dual out American Thunder cat-back exhaust system is the perfect choice with a 2.50-inch flanged pipe connecting directly to the catalytic converters, the mandrel-bent aluminized steel inlet tubes flow into a large case Super 40 Series performance mufflers for a deep powerful sound. The system uses the factory hanger locations for an easy installation and features dual 2.50-inch mandrel-bent tailpipes exiting out the back and are finished off with dual 3.00-inch polished stainless steel tips for a muscular look and sound. American Thunder systems deliver a moderate to aggressive exterior tone with a mild-moderate interior tone and are best suited for the enthusiast who wants their performance to be heard. 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 easy installation. Comes with our 3-year Limited Warranty. If you prefer a full stainless steel exhaust system with a Lifetime Limited Warranty, check out system #817248.
    9870 Dual Out Rear
    Description_FAB Includes Hangers and Hardware for an Easy Installation
    200 Aluminized
    Description_FAB Mandrel-bent 16-gauge Aluminized Steel Tubing
    353 No
    Description_FAB Includes 3.00-inch Polished Stainless Steel Tips
    3390 Performance
    Description_FAB Covered by our 3-year Limited Warranty
    4364 Yes
    Description_FAB Dyno Tuned for Maximum Performance
    Heat Shield Included No
    Description_FAB Super 40 Series Performance Mufflers
    Inlet Diameter 2.50
    Description_FAB Over 35+years of Flowmaster Quality
    596 Flanged
    Description_FAB Uses the Factory Hanger Locations
    9871 2.50
    Description_FAB Moderate Exterior Exhaust Tone
    92 No
    Description_FAB Quick and Easy Installation
    9884 5.00
    1892 13.50
    4372 Aluminized Steel
    4373 Oval
    9882 Black High-Temperature Paint Finish
    4367 Yes
    4368 No
    Muffler Included Yes
    9962 Welded Flange
    4365 2.50
    4366 2.63
    9963 Slip-Fit
    4375 1
    Muffler Part Number Kit Only
    4374 2
    Muffler Series Super 40 Series
    1174 Chambered
    part type Exhaust System
    3530 Aluminized Steel
    Product Type Exhaust System
    Sound Level Aggressive / Moderate
    4377 No
    Sub Category Exhaust and Tail Pipes
    4369 2.50
    4376 2
    Tail Pipe Quantity Dual
    4370 No
    26 Cat-Back
    6014 No
    2126 Not Applicable
    Warning California Proposition 65
    Pipe Color Silver
    Drive 2WD
    9885 10.00
    Brand Flowmaster
    California Proposition 65 Yes
    California Proposition 65 Chemical Name Nickel (Metallic)
    California Proposition 65 Chemical Name Chromium (hexavalent compounds)
    CARB (California) Compliant Yes
    Catalytic Converter Included No
    2874 0
    Category Exhaust
    3728 Flat Band
    1882 Yes
    Emission Code 5
    Exhaust Series American Thunder
    9874 Welded
    9876 Angled
    1162 3.00
    9877 Slash Cut
    1163 Polished
    9881 No
    10104 12.875
    1164 304 Stainless Steel
    1161 2
    9878 No
    10980 Round
    9875 Single Wall
    9870 Dual Out Rear
    200 Aluminized
    353 No
    3390 Performance
    4364 Yes
    Heat Shield Included No
    Inlet Diameter 2.50
    596 Flanged
    9871 2.50
    92 No
    9884 5.00
    1892 13.50
    4372 Aluminized Steel
    4373 Oval
    9882 Black High-Temperature Paint Finish
    4367 Yes
    4368 No
    Muffler Included Yes
    9962 Welded Flange
    4365 2.50
    4366 2.63
    9963 Slip-Fit
    4375 1
    Muffler Part Number Kit Only
    4374 2
    Muffler Series Super 40 Series
    1174 Chambered
    part type Exhaust System
    3530 Aluminized Steel
    Product Type Exhaust System
    Sound Level Aggressive / Moderate
    4377 No
    Sub Category Exhaust and Tail Pipes
    4369 2.50
    4376 2
    Tail Pipe Quantity Dual
    4370 No
    26 Cat-Back
    6014 No
    2126 Not Applicable
    Warning California Proposition 65
    Pipe Color Silver
    Drive 2WD
    9885 10.00


    This Part Fits:

    Year Make Model Submodel Notes
    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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