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    • Pypes Manifold Downpipes 2.5 in | 1964-1966 Ford Mustang 289/302 | DFM12S
    • Pypes Manifold Downpipes 2.5 in | 1964-1966 Ford Mustang 289/302 | DFM12S
    • Pypes Manifold Downpipes 2.5 in | 1964-1966 Ford Mustang 289/302 | DFM12S
    • PYPDFM12S.jpg

    Pypes Manifold Downpipes 2.5 in | 1964-1966 Ford Mustang 289/302 | DFM12S

    Part Number: DFM12S
    Regular Price $159.79

    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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    Pypes DFM12S manifold downpipes link the factory exhaust manifolds to the rest of the exhaust system on 1964 to 1966 Ford Mustangs with the 289 or 302 engine. The downpipes are made from 409 stainless steel in a 2.5 inch diameter and are sold as a pair for the driver and passenger sides.

    • Type: Manifold downpipes (intermediate pipes)
    • Material: 409 stainless steel
    • Diameter: 2.5 in
    • Fits: Stock factory exhaust manifolds
    • Engine: 289/302
    • Sold as: Pair
    • Part number: DFM12S

    Vehicle Applications

    • 1964 Ford Mustang (289/302)
    • 1965 Ford Mustang (289/302)
    • 1966 Ford Mustang (289/302)

    FAQ

    What vehicles do the Pypes DFM12S downpipes fit?

    They fit 1964 to 1966 Ford Mustangs equipped with the 289 or 302 engine.

    What are the downpipes made from?

    They are made from 409 stainless steel and measure 2.5 inches in diameter.

    Are the downpipes sold individually or as a pair?

    DFM12S is sold as a pair, covering both the driver and passenger sides.

    Where do the downpipes connect?

    They bolt to the factory exhaust manifolds and connect to the rest of the exhaust system.

    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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