Skip to Product Info
    • Photo - Primary
    • Photo - Primary
    • Photo - Close Up
    • User 1
    • User 2
    • Logo Image
    Sale!New!

    Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Y-Bridge Kit - WCFab Red

    Vendor: Wehrli
    Part Number: WCF100693-RED
    Save $29.25
    Sale Price $945.75 Regular Price $975.00

    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.
    Payment & Security

    Secure, encrypted checkout. Card details go straight to the payment processor and are never stored by us.

    • Amazon
    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    Share to:

    The only High Flow 3" Complete Y-Bridge kit on the market for your LB7 that is compatible with the factory IHI turbo and aftermarket drop in IHI style chargers! Replace the restrictive OEM Y-bridge and cold side intercooler pipe with this high flow 3" kit to increase throttle response and turbo spool up by creating a full 3" intake tract from the intercooler outlet to the engine. Eliminates the angled OEM intercooler boots that are prone for failure. Includes FPRV Block off kit to allow proper clearance to larger diameter Y-bridge.

    • 50% more airflow than the OEM upper intake manifold and cold side charge pipe!
    • 3" Passenger Side Intercooler Pipe - 14g Mandrel Bent Aluminum
    • Includes New O-Ring Bridge Flange Gaskets
    • Silicone Boots & Stainless T-bolt Clamps
    • Map Sensor Seal and Hold Down Bracket
    • Durable Custom Powder Coat Finish
    • 3" Fabricated Billet Y-Bridge
    • Includes FPRV Block Off Kit
    • Made in USA

    This Part Fits:

    Year Make Model Submodel
    2001-2004 Chevrolet Silverado 2500 HD Base
    2001-2004 Chevrolet Silverado 2500 HD LS
    2001-2004 Chevrolet Silverado 2500 HD LT
    2004 Chevrolet Silverado 2500 HD WT
    2001-2004 Chevrolet Silverado 3500 Base
    2001-2004 Chevrolet Silverado 3500 LS
    2001-2004 Chevrolet Silverado 3500 LT
    2004 Chevrolet Silverado 3500 WT
    2002-2004 GMC Sierra 2500 HD Base
    2001-2002 GMC Sierra 2500 HD SL
    2001-2004 GMC Sierra 2500 HD SLE
    2001-2004 GMC Sierra 2500 HD SLT
    2003-2004 GMC Sierra 2500 HD WT
    2002-2004 GMC Sierra 3500 Base
    2001-2002 GMC Sierra 3500 SL
    2001-2004 GMC Sierra 3500 SLE
    2001-2004 GMC Sierra 3500 SLT
    2004 GMC Sierra 3500 WT
    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.

    Recently Viewed