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    • Flowtech Shorty Headers | 2004-2008 Ford F-150 | 1-5/8in x 2.50in Black Paint | 91673FLT
    • Flowtech Shorty Headers | 2004-2008 Ford F-150 | 1-5/8in x 2.50in Black Paint | 91673FLT
    • Flowtech Shorty Headers | 2004-2008 Ford F-150 | 1-5/8in x 2.50in Black Paint | 91673FLT
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    Flowtech Shorty Headers | 2004-2008 Ford F-150 | 1-5/8in x 2.50in Black Paint | 91673FLT

    Vendor: FlowTech
    Part Number: 91673FLT
    Save $245
    Sale Price $339.95 Regular Price $584.95

    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 combination of quality and value. This header fits the popular 2004-08 Ford F-150 V8-5.4L 2WD/4WD. This header features 1-5/8" primary tubes and a 2-1/2" collector for increased exhaust flow for increasing performance, improving throttle response and providing a broad torque curve. This header accommodates all emission control devices and comes with premium aluminum header gaskets and hardware. 50 state legal - CARB EO D-115-19

    Specifications:

    • Header style: Shorty
    • Primary tube diameter: 1-5/8 in
    • Collector diameter: 2.50 in
    • Material: Mild Steel
    • Finish: Black Paint
    • Engine: Ford
    • Mounting hardware and gaskets included
    • CARB (California) emissions compliant: Yes (EO D-115-19)
    • Part number: 91673FLT

    Vehicle Applications:

    • 2007 Ford F-150 FX2
    • 2008 Ford F-150 FX2
    • 2004 Ford F-150 FX4
    • 2005 Ford F-150 FX4
    • 2006 Ford F-150 FX4
    • 2007 Ford F-150 FX4
    • 2008 Ford F-150 FX4
    • 2006 Ford F-150 Harley-Davidson Edition
    • 2007 Ford F-150 Harley-Davidson Edition
    • 2008 Ford F-150 Harley-Davidson Edition
    • 2005 Ford F-150 King Ranch
    • 2006 Ford F-150 King Ranch
    • 2007 Ford F-150 King Ranch
    • 2008 Ford F-150 King Ranch
    • 2004 Ford F-150 Lariat
    • 2005 Ford F-150 Lariat
    • 2006 Ford F-150 Lariat
    • 2007 Ford F-150 Lariat
    • 2008 Ford F-150 Lariat
    • 2008 Ford F-150 Limited
    • 2008 Ford F-150 THE 60TH ANNIVERSARY EDITION
    • 2004 Ford F-150 XL
    • 2005 Ford F-150 XL
    • 2006 Ford F-150 XL
    • 2007 Ford F-150 XL
    • 2008 Ford F-150 XL
    • 2004 Ford F-150 XLT
    • 2005 Ford F-150 XLT
    • 2006 Ford F-150 XLT
    • 2007 Ford F-150 XLT
    • 2008 Ford F-150 XLT
    • 2008 Ford F-150 XTR

    FAQ

    What vehicles does the Flowtech 91673FLT header fit?

    It fits 2007 Ford F-150 FX2; 2008 Ford F-150 FX2; 2004 Ford F-150 FX4; 2005 Ford F-150 FX4; 2006 Ford F-150 FX4; 2007 Ford F-150 FX4; and 26 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?

    Yes. Flowtech lists this part as CARB (California) emissions compliant under EO D-115-19.

    What finish is this header?

    Black Paint.

    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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