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    Flowtech Shorty Headers | 1979-1993 Ford Mustang | 1-3/4in Polished | 12138FLT

    Vendor: FlowTech
    Part Number: 12138FLT
    Save $127
    $502.95 $629.95

    Currently out of stock.

    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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    Flowtech Headers are the perfect blend of quality, performance, and value. These 1-3/4" shorty style race headers fit the very popular 5.0L V8 for the Fox-Body Mustang platform. The 1-3/4" tube size is the perfect upgrade for stroker motors and engines that have limited clearance issues and still require a free flowing header.

    Specifications:

    • Header style: Shorty
    • Primary tube diameter: 1-3/4 in
    • Material: Stainless Steel
    • Finish: Polished
    • Engine: Ford
    • Mounting hardware and gaskets included
    • CARB (California) emissions compliant: No
    • Part number: 12138FLT

    Vehicle Applications:

    • 1979 Ford Mustang Base
    • 1980 Ford Mustang Base
    • 1981 Ford Mustang Base
    • 1982 Ford Mustang Base
    • 1983 Ford Mustang Base
    • 1984 Ford Mustang Base
    • 1979 Ford Mustang Ghia
    • 1982 Ford Mustang GL
    • 1983 Ford Mustang GL
    • 1982 Ford Mustang GLX
    • 1983 Ford Mustang GLX
    • 1982 Ford Mustang GT
    • 1983 Ford Mustang GT
    • 1984 Ford Mustang GT
    • 1985 Ford Mustang GT
    • 1986 Ford Mustang GT
    • 1987 Ford Mustang GT
    • 1988 Ford Mustang GT
    • 1989 Ford Mustang GT
    • 1990 Ford Mustang GT
    • 1991 Ford Mustang GT
    • 1992 Ford Mustang GT
    • 1993 Ford Mustang GT
    • 1984 Ford Mustang GT-350 20th Anniversary
    • 1984 Ford Mustang L
    • 1984 Ford Mustang LX
    • 1985 Ford Mustang LX
    • 1986 Ford Mustang LX
    • 1987 Ford Mustang LX
    • 1988 Ford Mustang LX
    • 1989 Ford Mustang LX
    • 1990 Ford Mustang LX
    • 1991 Ford Mustang LX
    • 1992 Ford Mustang LX
    • 1993 Ford Mustang LX
    • 1993 Ford Mustang SVT Cobra
    • 1993 Ford Mustang SVT Cobra R

    FAQ

    What vehicles does the Flowtech 12138FLT header fit?

    It fits 1979 Ford Mustang Base; 1980 Ford Mustang Base; 1981 Ford Mustang Base; 1982 Ford Mustang Base; 1983 Ford Mustang Base; 1984 Ford Mustang Base; and 31 more configurations. See the Vehicle Applications list for the full fitment.

    Are mounting hardware and gaskets included?

    Yes. Flowtech supplies the mounting hardware and header gaskets for installation.

    Is this header legal in California?

    Flowtech lists this part as not CARB (California) emissions compliant. Confirm your local emissions requirements before purchase.

    What finish is this header?

    Polished.

    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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