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    Hedman Hedders 3 in. Gasket-Style Header Reducer w/O2 Bung For 2-1/4 in. Exhaust 21107

    Vendor: Hedman Hedders
    Part Number: 21107
    Regular Price $66.40

    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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    3 in. 3-Bolt Flange O2 Header Reducers for 2-1/4 in. Exhaust System; 3-Bolt Triangular Flange


    Hedman Hedders 3 in. Gasket-Style Header Reducer w/O2 Bung For 2-1/4 in. Exhaust 21107


    Specifications:

    Description_DEF [B@33910d46
    Description_DES [B@3ab4eca1
    Description_EXT [B@712b9dfb
    Description_FAB [B@53146bd5
    Description_FAB [B@6854a7cc
    Description_FAB [B@75988f83
    Description_FAB [B@5871108e
    Description_FAB [B@28cb8296
    Description_INV [B@65ec2a84
    Description_SHO [B@5439552d
    Title HEDMAN HEDDERS 3 IN. 3-BOLT FLANGE O2 HEADER REDUCERS FOR 2-1/4 IN. EXHAUST SYSTEM; 3-BOLT TRIANGULAR FLANGE
    Finish Type Raw
    Finish Raw
    Thread Size 18mm
    Contents Single (1 reducer) Mild-Steel, 3-Bolt O2 Sensor Reducer; Gasket, Bolts, Nuts and Washers
    Exhaust System Dia 2-1/4 in.
    Collector Style 3-Bolt Gasket Style Flange
    Collector Attachment 3 in.
    Product Info Manufactured from Mild steel material.
    California Proposition 65 WARNING: Cancer. For more info visit www.P65Warnings.ca.gov
    Reducer Outlet Diameter 2-1/4 in.
    Flange Finish Raw
    Package Contents Single (1 reducer) Mild-Steel, 3-Bolt O2 Sensor Reducer; Gasket, Bolts, Nuts and Washers
    Oxygen Sensor Bung Included Yes
    Hardware Included YES
    Gasket Or Seal Included Yes
    Material Mild Steel
    O2 Sensors Included No
    Collector Size 3 in.
    Notes 3 in. 3-Bolt Flange O2 Hedder Reducers for 2-1/4 in. Exhaust System; 3-Bolt Triangular Flange
    Flange Thickness 0.3125 in.


    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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