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    • Flowmaster Flowmaster American Thunder Crossmember-Back Exhaust System 17281
    • Flowmaster Flowmaster American Thunder Crossmember-Back Exhaust System 17281
    • Flowmaster Flowmaster American Thunder Crossmember-Back Exhaust System 17281
    • American Thunder Crossmember-Back Exhaust System Fits 1967-1970 Ford Mustang With V8 Engine And Headers. Aluminized Steel Aggressive To Moderate Sound Flowmaster
    • American Thunder Crossmember-Back Exhaust System Fits 1967-1970 Ford Mustang With V8 Engine And Headers. Aluminized Steel Aggressive To Moderate Sound Flowmaster
    • American Thunder Crossmember-Back Exhaust System Fits 1967-1970 Ford Mustang With V8 Engine And Headers. Aluminized Steel Aggressive To Moderate Sound Flowmaster
    • American Thunder Crossmember-Back Exhaust System Fits 1967-1970 Ford Mustang With V8 Engine And Headers. Aluminized Steel Aggressive To Moderate Sound Flowmaster
    • American Thunder Crossmember-Back Exhaust System Fits 1967-1970 Ford Mustang With V8 Engine And Headers. Aluminized Steel Aggressive To Moderate Sound Flowmaster
    • American Thunder Crossmember-Back Exhaust System Fits 1967-1970 Ford Mustang With V8 Engine And Headers. Aluminized Steel Aggressive To Moderate Sound Flowmaster
    • American Thunder Crossmember-Back Exhaust System Fits 1967-1970 Ford Mustang With V8 Engine And Headers. Aluminized Steel Aggressive To Moderate Sound Flowmaster
    • American Thunder Crossmember-Back Exhaust System Fits 1967-1970 Ford Mustang With V8 Engine And Headers. Aluminized Steel Aggressive To Moderate Sound Flowmaster
    • American Thunder Crossmember-Back Exhaust System Fits 1967-1970 Ford Mustang With V8 Engine And Headers. Aluminized Steel Aggressive To Moderate Sound Flowmaster
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    Sale!

    Flowmaster Flowmaster American Thunder Crossmember-Back Exhaust System 17281

    Vendor: Flowmaster
    Part Number: 17281
    Save $113
    Sale Price $899.95 Regular Price $1,012.95

    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 is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge mandrel-bent aluminized steel tubing with a built-in H-pipe crossover. The pair of specially selected Super 44 Series performance mufflers flows into 2.50-inch mandrel-bent tailpipes and includes all hangers and hardware necessary for installation. This system fits through the factory rear valance exhaust cutouts and includes a pair of 3.00-inch polished stainless steel tips. The American Thunder systems deliver a moderate to aggressive interior and exterior tone and are best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. All aluminized steel exhaust systems are covered by our 3-year Limited Warranty. If you prefer stainless steel construction, check out optional system# 817281 which is covered by out Lifetime Limited Warranty. Notes: Does Not fit convertibles or cars with staggered shocks. Does Not include header reducer cones or downpipes for factory manifolds.


    Flowmaster Flowmaster American Thunder Crossmember-Back Exhaust System 17281


    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 Angled
    9876 Angled
    1162 3.00
    1162 3.00
    9877 Rolled Edge Angle Cut
    9877 Rolled Edge Angle Cut
    1163 Polished
    1163 Polished
    9881 No
    9881 No
    10104 12.00
    10104 12.00
    1164 304 Stainless Steel
    1164 304 Stainless Steel
    1161 2
    1161 2
    9878 No
    9878 No
    10980 Round
    10980 Round
    9870 Dual Out Rear
    9870 Dual Out Rear
    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 Weld-On
    596 Weld-On
    9871 2.50
    9871 2.50
    92 Yes
    92 Yes
    11021 4.00
    11021 4.00
    11022 13.00
    11022 13.00
    11023 9.75
    11023 9.75
    11064 Chambered
    11064 Chambered
    11048 4.00
    11048 4.00
    11049 13.00
    11049 13.00
    11050 9.75
    11050 9.75
    11073 Chambered
    11073 Chambered
    1892 13.00
    1892 13.00
    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
    4366 2.63
    4366 2.63
    9963 Slip-Fit
    9963 Slip-Fit
    4375 1
    4375 1
    Muffler Part Number 942546
    Muffler Part Number 942546
    4374 2
    4374 2
    Muffler Series Super 44 Series
    Muffler Series Super 44 Series
    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
    Type Crossmember-back
    Type Crossmember-back
    6014 No
    6014 No
    2126 Not Applicable
    2126 Not Applicable
    Warning California Proposition 65
    Warning California Proposition 65
    Pipe Color Silver
    Pipe Color Silver
    Drive 2WD
    Drive 2WD
    Description_ABR SYS 67-70 MU
    Description_SHO SYS 67-70 MUSTANG AM
    Description_INV 67-70 MUSTANG AMT THRU VALNCE
    Description_ASC Fits 1967-1970 Ford Mustang with V8 engine and exits through rear valance exhaust cutouts. Does not fit convertibles or staggered shock models.
    Description_DES Flowmaster American Thunder Crossmember-Back Exhaust System
    Description_EXT Fits 1967-1970 Ford Mustang with V8 engine and headers. Aluminized Steel. - Aggressive to moderate sound
    Description_MKT For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge mandrel-bent aluminized steel tubing with a built-in H-pipe crossover. The pair of specially selected Super 44 Series performance mufflers flows into 2.50-inch mandrel-bent tailpipes and includes all hangers and hardware necessary for installation. This system fits through the factory rear valance exhaust cutouts and includes a pair of 3.00-inch polished stainless steel tips. The American Thunder systems deliver a moderate to aggressive interior and exterior tone and are best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. All aluminized steel exhaust systems are covered by our 3-year Limited Warranty. If you prefer stainless steel construction, check out optional system# 817281 which is covered by out Lifetime Limited Warranty. Notes: Does Not fit convertibles or cars with staggered shocks. Does Not include header reducer cones or downpipes for factory manifolds.
    Description_FAB Super 44 Series Performance Mufflers for Deep Powerful Sound
    Description_FAB H-pipe Crossover for Maximum Power and a Deep Tone
    Description_FAB Mandrel-bent 16-gauge Aluminized Steel Tubing
    Description_FAB Includes Hangers and Hardware for Installation
    Description_FAB Aggressive to Moderate Exterior Exhaust Tone
    Description_FAB 3.00-inch Polished 304 Stainless Steel Tips
    Description_FAB Crossmember-Back True Dual Exhaust System
    Description_FAB Does Not Include Header Reducer Cones or Downpipes for Factory Manifolds
    Description_FAB Over 35+ Years of Flowmaster Quality
    Description_FAB 3-Year Limited Warranty
    Description_ABR SYS 67-70 MU
    Description_SHO SYS 67-70 MUSTANG AM
    Description_INV 67-70 MUSTANG AMT THRU VALNCE
    Description_ASC Fits 1967-1970 Ford Mustang with V8 engine and exits through rear valance exhaust cutouts. Does not fit convertibles or staggered shock models.
    Description_DES Flowmaster American Thunder Crossmember-Back Exhaust System
    Description_EXT Fits 1967-1970 Ford Mustang with V8 engine and headers. Aluminized Steel. - Aggressive to moderate sound
    Description_MKT For the person who is looking for a true dual Crossmember-Back exhaust system with an moderate to aggressive exhaust tone. With an easy fit in mind, these systems are constructed from 16-gauge mandrel-bent aluminized steel tubing with a built-in H-pipe crossover. The pair of specially selected Super 44 Series performance mufflers flows into 2.50-inch mandrel-bent tailpipes and includes all hangers and hardware necessary for installation. This system fits through the factory rear valance exhaust cutouts and includes a pair of 3.00-inch polished stainless steel tips. The American Thunder systems deliver a moderate to aggressive interior and exterior tone and are best suited to the enthusiast who wants their performance to be heard. Like all Flowmaster exhaust systems, the benefits include improved throttle response, power and mileage. All aluminized steel exhaust systems are covered by our 3-year Limited Warranty. If you prefer stainless steel construction, check out optional system# 817281 which is covered by out Lifetime Limited Warranty. Notes: Does Not fit convertibles or cars with staggered shocks. Does Not include header reducer cones or downpipes for factory manifolds.
    Description_FAB Super 44 Series Performance Mufflers for Deep Powerful Sound
    Description_FAB H-pipe Crossover for Maximum Power and a Deep Tone
    Description_FAB Mandrel-bent 16-gauge Aluminized Steel Tubing
    Description_FAB Includes Hangers and Hardware for Installation
    Description_FAB Aggressive to Moderate Exterior Exhaust Tone
    Description_FAB 3.00-inch Polished 304 Stainless Steel Tips
    Description_FAB Crossmember-Back True Dual Exhaust System
    Description_FAB Does Not Include Header Reducer Cones or Downpipes for Factory Manifolds
    Description_FAB Over 35+ Years of Flowmaster Quality
    Description_FAB 3-Year Limited Warranty


    This Part Fits:

    Year Make Model Submodel Notes
    1967 Ford Mustang Base
    1967 Ford Mustang Base
    1968 Ford Mustang Base
    1968 Ford Mustang Base
    1968 Ford Mustang Base
    1968 Ford Mustang Base
    1969 Ford Mustang Base
    1969 Ford Mustang Base
    1969 Ford Mustang Base
    1969 Ford Mustang Base
    1970 Ford Mustang Base
    1970 Ford Mustang Base
    1970 Ford Mustang Base
    1969 Ford Mustang Boss 302
    1970 Ford Mustang Boss 302
    1969 Ford Mustang Boss 429
    1970 Ford Mustang Boss 429
    1970 Ford Mustang Grande
    1970 Ford Mustang Grande
    1970 Ford Mustang Grande
    1970 Ford Mustang Mach 1
    1970 Ford Mustang Mach 1
    1970 Ford Mustang Mach 1
    1967 Ford Mustang Shelby GT-350
    1968 Ford Mustang Shelby GT-350
    1969 Ford Mustang Shelby GT-350
    1970 Ford Mustang Shelby GT-350
    1967 Ford Mustang Shelby GT-500
    1968 Ford Mustang Shelby GT-500
    1969 Ford Mustang Shelby GT-500
    1970 Ford Mustang Shelby GT-500
    1968 Ford Mustang Shelby GT-500KR
    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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