• MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427
    • MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427
    • MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427
    • MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427
    • MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427
    • MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427
    • MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427
    • MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427
    • MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427
    • MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427
    • MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427
    Sale!

    MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black | GM8427

    Vendor: MBRP
    Part Number: GM8427
    Save $70.59
    $299.99 $370.58

    In 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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    Product DetailsFAQReviewsRelated Products

    The MBRP 2011-2015 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black is a genuine MBRP downpipe.

    Specifications

    • Product type: Downpipes
    • System: Downpipe
    • Tubing diameter: 3 in
    • Part number: GM8427

    Vehicle Applications

    • 2015 Chevrolet Silverado 2500 HD High Country
    • 2011 Chevrolet Silverado 2500 HD LT
    • 2012 Chevrolet Silverado 2500 HD LT
    • 2013 Chevrolet Silverado 2500 HD LT
    • 2014 Chevrolet Silverado 2500 HD LT
    • 2015 Chevrolet Silverado 2500 HD LT
    • 2011 Chevrolet Silverado 2500 HD LTZ
    • 2012 Chevrolet Silverado 2500 HD LTZ
    • 2013 Chevrolet Silverado 2500 HD LTZ
    • 2014 Chevrolet Silverado 2500 HD LTZ
    • 2015 Chevrolet Silverado 2500 HD LTZ
    • 2011 Chevrolet Silverado 2500 HD WT
    • 2012 Chevrolet Silverado 2500 HD WT
    • 2013 Chevrolet Silverado 2500 HD WT
    • 2014 Chevrolet Silverado 2500 HD WT
    • 2015 Chevrolet Silverado 2500 HD WT
    • 2015 Chevrolet Silverado 3500 HD High Country
    • 2011 Chevrolet Silverado 3500 HD LT
    • 2012 Chevrolet Silverado 3500 HD LT
    • 2013 Chevrolet Silverado 3500 HD LT
    • 2014 Chevrolet Silverado 3500 HD LT
    • 2015 Chevrolet Silverado 3500 HD LT
    • 2011 Chevrolet Silverado 3500 HD LTZ
    • 2012 Chevrolet Silverado 3500 HD LTZ
    • 2013 Chevrolet Silverado 3500 HD LTZ
    • 2014 Chevrolet Silverado 3500 HD LTZ
    • 2015 Chevrolet Silverado 3500 HD LTZ
    • 2011 Chevrolet Silverado 3500 HD WT
    • 2012 Chevrolet Silverado 3500 HD WT
    • 2013 Chevrolet Silverado 3500 HD WT
    • 2014 Chevrolet Silverado 3500 HD WT
    • 2015 Chevrolet Silverado 3500 HD WT
    • 2015 GMC Sierra 2500 HD Base
    • 2011 GMC Sierra 2500 HD Denali
    • 2012 GMC Sierra 2500 HD Denali
    • 2013 GMC Sierra 2500 HD Denali
    • 2014 GMC Sierra 2500 HD Denali
    • 2015 GMC Sierra 2500 HD Denali
    • 2011 GMC Sierra 2500 HD SLE
    • 2012 GMC Sierra 2500 HD SLE
    • 2013 GMC Sierra 2500 HD SLE
    • 2014 GMC Sierra 2500 HD SLE
    • 2015 GMC Sierra 2500 HD SLE
    • 2011 GMC Sierra 2500 HD SLT
    • 2012 GMC Sierra 2500 HD SLT
    • 2013 GMC Sierra 2500 HD SLT
    • 2014 GMC Sierra 2500 HD SLT
    • 2015 GMC Sierra 2500 HD SLT
    • 2011 GMC Sierra 2500 HD WT
    • 2012 GMC Sierra 2500 HD WT
    • 2013 GMC Sierra 2500 HD WT
    • 2014 GMC Sierra 2500 HD WT
    • 2015 GMC Sierra 3500 HD Base
    • 2011 GMC Sierra 3500 HD Denali
    • 2012 GMC Sierra 3500 HD Denali
    • 2013 GMC Sierra 3500 HD Denali
    • 2014 GMC Sierra 3500 HD Denali
    • 2015 GMC Sierra 3500 HD Denali
    • 2011 GMC Sierra 3500 HD SLE
    • 2012 GMC Sierra 3500 HD SLE
    • 2013 GMC Sierra 3500 HD SLE
    • 2014 GMC Sierra 3500 HD SLE
    • 2015 GMC Sierra 3500 HD SLE
    • 2011 GMC Sierra 3500 HD SLT
    • 2012 GMC Sierra 3500 HD SLT
    • 2013 GMC Sierra 3500 HD SLT
    • 2014 GMC Sierra 3500 HD SLT
    • 2015 GMC Sierra 3500 HD SLT
    • 2011 GMC Sierra 3500 HD WT
    • 2012 GMC Sierra 3500 HD WT
    • 2013 GMC Sierra 3500 HD WT
    • 2014 GMC Sierra 3500 HD WT

    FAQ

    What vehicles does the MBRP GM8427 fit?

    It fits 2015 Chevrolet Silverado 2500 HD High Country; 2011 Chevrolet Silverado 2500 HD LT; 2012 Chevrolet Silverado 2500 HD LT; 2013 Chevrolet Silverado 2500 HD LT; 2014 Chevrolet Silverado 2500 HD LT; and 67 more configurations. See the Vehicle Applications list for the full fitment.

    Is this a genuine MBRP part?

    Yes. This is a genuine MBRP exhaust product. Confirm fitment for your vehicle before ordering.

    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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