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    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17367
    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17367
    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17367
    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17367
    • Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17367
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    • American Thunder Cat-Back Exhaust System 1999-2004 Ford Lightning With 5.4L Supercharged Engine Fits 2/4 Wheel Drive Aggressive To Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System 1999-2004 Ford Lightning With 5.4L Supercharged Engine Fits 2/4 Wheel Drive Aggressive To Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System 1999-2004 Ford Lightning With 5.4L Supercharged Engine Fits 2/4 Wheel Drive Aggressive To Moderate Sound Flowmaster
    • American Thunder Cat-Back Exhaust System 1999-2004 Ford Lightning With 5.4L Supercharged Engine Fits 2/4 Wheel Drive Aggressive To Moderate Sound Flowmaster
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    • aggressivemoderatesoundlevel.jpg
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    Sale!

    Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17367

    Vendor: Flowmaster
    Part Number: 17367
    Save $94
    Sale Price $749.95 Regular Price $843.95

    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 aggressive look of a NASCAR race truck along with all the benefits that a Flowmaster Cat-back exhaust system provides. D.O.S.S. (Dual out same side) systems are the perfect choice. This American Thunder system features a Super 50 Series performance muffler that delivers a moderately aggressive exterior sound with a moderate interior tone, which is suited to the enthusiast who wants their performance to be heard. The dual 2.50-inch mandrel-bent tailpipes exit in front of the right side rear tire and are finished off with dual 3.00-inch polished stainless steel tips. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, the system includes all necessary parts and hardware for easy installation and is covered by our 3-year Limited Warranty.


    Flowmaster Flowmaster American Thunder Cat-back Exhaust System 17367


    Specifications:

    Brand Flowmaster
    Brand Flowmaster
    California Proposition 65 Yes
    California Proposition 65 Yes
    California Proposition 65 Chemical Name Nickel (Metallic)
    California Proposition 65 Chemical Name Nickel (Metallic)
    California Proposition 65 Chemical Name Chromium (hexavalent compounds)
    California Proposition 65 Chemical Name Chromium (hexavalent compounds)
    CARB (California) Compliant Yes
    CARB (California) Compliant Yes
    Catalytic Converter Included No
    Catalytic Converter Included No
    2874 0
    2874 0
    Category Exhaust
    Category Exhaust
    3728 Flat Band
    3728 Flat Band
    1882 Yes
    1882 Yes
    Emission Code 5
    Emission Code 5
    Exhaust Series American Thunder
    Exhaust Series American Thunder
    9874 Clamp-On
    9874 Clamp-On
    9876 Straight
    9876 Straight
    1162 4.00
    1162 4.00
    9877 Angle Cut
    9877 Angle Cut
    1163 Polished
    1163 Polished
    9881 No
    9881 No
    10104 7.50
    10104 7.50
    1164 304 Stainless Steel
    1164 304 Stainless Steel
    1161 2
    1161 2
    9878 Yes
    9878 Yes
    10980 Round
    10980 Round
    9875 Double Wall
    9875 Double Wall
    9870 Dual Out Same Side
    9870 Dual Out Same Side
    200 Aluminized
    200 Aluminized
    353 No
    353 No
    3390 Performance
    3390 Performance
    4364 Yes
    4364 Yes
    Heat Shield Included No
    Heat Shield Included No
    Inlet Diameter 2.50
    Inlet Diameter 2.50
    596 Clamp-On
    596 Clamp-On
    9871 2.50
    9871 2.50
    92 No
    92 No
    9884 5.00
    9884 5.00
    1892 18.00
    1892 18.00
    4372 Aluminized Steel
    4372 Aluminized Steel
    4373 Oval
    4373 Oval
    9882 Black High-Temperature Paint Finish
    9882 Black High-Temperature Paint Finish
    4367 No
    4367 No
    4368 No
    4368 No
    Muffler Included Yes
    Muffler Included Yes
    9962 Slip-Fit
    9962 Slip-Fit
    4365 2.50
    4365 2.50
    Muffler Inlet Location Dual
    Muffler Inlet Location Dual
    4366 2.63
    4366 2.63
    9963 Slip-Fit
    9963 Slip-Fit
    4375 2
    4375 2
    Muffler Part Number Kit Only
    Muffler Part Number Kit Only
    4374 1
    4374 1
    Muffler Series 50 Series HD
    Muffler Series 50 Series HD
    1174 Chambered
    1174 Chambered
    part type Exhaust System
    part type Exhaust System
    3530 Aluminized Steel
    3530 Aluminized Steel
    Product Type Exhaust System
    Product Type Exhaust System
    Sound Level Aggressive / Moderate
    Sound Level Aggressive / Moderate
    4377 No
    4377 No
    Sub Category Exhaust and Tail Pipes
    Sub Category Exhaust and Tail Pipes
    4369 2.50
    4369 2.50
    4376 2
    4376 2
    Tail Pipe Quantity Dual
    Tail Pipe Quantity Dual
    4370 No
    4370 No
    26 Cat-Back
    26 Cat-Back
    6014 No
    6014 No
    2126 Not Applicable
    2126 Not Applicable
    Warning California Proposition 65
    Warning California Proposition 65
    Pipe Color Black
    Pipe Color Black
    Pipe Color Silver
    Pipe Color Silver
    Drive 4WD
    Drive 4WD
    Drive 2WD
    Drive 2WD
    9885 10.00
    9885 10.00
    Description_ABR SYS 99-04 FO
    Description_SHO SYS 99-04 FORD F150
    Description_INV 99-04 FORD F150 LIGHTNING AMT
    Description_ASC Fits 1999-2004 Ford Lightning with 5.4L supercharged engine, fits 2/4 wheel drive.
    Description_DES Flowmaster American Thunder Cat-back Exhaust System
    Description_EXT 1999-2004 Ford Lightning with 5.4L Supercharged engine. Fits 2/4 wheel drive. - Aggressive to moderate sound
    Description_MKT For the person who wants the aggressive look of a NASCAR race truck along with all the benefits that a Flowmaster Cat-back exhaust system provides. D.O.S.S. (Dual out same side) systems are the perfect choice. This American Thunder system features a Super 50 Series performance muffler that delivers a moderately aggressive exterior sound with a moderate interior tone, which is suited to the enthusiast who wants their performance to be heard. The dual 2.50-inch mandrel-bent tailpipes exit in front of the right side rear tire and are finished off with dual 3.00-inch polished stainless steel tips. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, the system includes all necessary parts and hardware for easy installation and is covered by our 3-year Limited Warranty.
    Description_FAB Includes Hangers and Hardware for an Easy Installation
    Description_FAB Mandrel-bent 16-gauge Aluminized Steel Tubing
    Description_FAB Moderately Aggressive Exterior Exhaust Tone
    Description_FAB Dyno Tuned for Maximum Performance
    Description_FAB Super 50 Series Performance Muffler
    Description_FAB Uses the Factory Hanger Locations
    Description_FAB 3-year Limited Warranty
    Description_FAB Easy Installation
    Description_ABR SYS 99-04 FO
    Description_SHO SYS 99-04 FORD F150
    Description_INV 99-04 FORD F150 LIGHTNING AMT
    Description_ASC Fits 1999-2004 Ford Lightning with 5.4L supercharged engine, fits 2/4 wheel drive.
    Description_DES Flowmaster American Thunder Cat-back Exhaust System
    Description_EXT 1999-2004 Ford Lightning with 5.4L Supercharged engine. Fits 2/4 wheel drive. - Aggressive to moderate sound
    Description_MKT For the person who wants the aggressive look of a NASCAR race truck along with all the benefits that a Flowmaster Cat-back exhaust system provides. D.O.S.S. (Dual out same side) systems are the perfect choice. This American Thunder system features a Super 50 Series performance muffler that delivers a moderately aggressive exterior sound with a moderate interior tone, which is suited to the enthusiast who wants their performance to be heard. The dual 2.50-inch mandrel-bent tailpipes exit in front of the right side rear tire and are finished off with dual 3.00-inch polished stainless steel tips. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, the system includes all necessary parts and hardware for easy installation and is covered by our 3-year Limited Warranty.
    Description_FAB Includes Hangers and Hardware for an Easy Installation
    Description_FAB Mandrel-bent 16-gauge Aluminized Steel Tubing
    Description_FAB Moderately Aggressive Exterior Exhaust Tone
    Description_FAB Dyno Tuned for Maximum Performance
    Description_FAB Super 50 Series Performance Muffler
    Description_FAB Uses the Factory Hanger Locations
    Description_FAB 3-year Limited Warranty
    Description_FAB Easy Installation


    This Part Fits:

    Year Make Model Submodel Notes
    1999 Ford F-150 Lightning
    2000 Ford F-150 Lightning
    2001 Ford F-150 Lightning
    2002 Ford F-150 Lightning
    2003 Ford F-150 Lightning
    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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