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Gibson 1-3/4 in. Performance Headers - Stainless (14-18 5.3L, 6.2L)

Item S500757
AmericanTrucks no longer carries the Gibson 1-3/4 in. Performance Headers - Stainless (14-18 5.3L, 6.2L). Please check out 2019-2021 GMC Sierra Headers for an updated selection.
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    Product Information

    Features, Description, Q&A, Specs & Installation


    • Drop-In Replacements for Factory Manifolds
    • Improves Performance, Efficiency, and Drivability
    • Uses Factory Emissions/ECM Connections
    • Uses Factory Crossover Pipe
    • 50-State, Street-Legal Emissions - CARB EO# D-411-11
    • Stainless Steel for Corrosion Resistance
    • Fits 2014-2018 5.3L or 6.2L GMC Sierra's without EGR


    The Perfect Exhaust Upgrade. Boost your truck's performance close to the source with a set of tubular headers from Gibson. These stainless-steel headers not only provide improved power and efficiency, they do it while using stock emissions gear and ECM connections. Gibson offers a 50-state legal performance upgrade that will last the life of your truck.

    Built to Last. The 1.75-inch diameter, 16-gauge stainless steel is mandrel-bent for ultimate smoothness. Port flanges are laser-cut and won't warp against the heads. These headers are dyno-tuned to provide ideal performance and great, muscular sounds. Best of all, they're 50-state emissions compliant and won't void your factory warranty. Gibson covers the headers themselves under a lifetime warranty.

    No-Headache Install. Gibson includes all necessary hardware and gaskets. No welding is required. These are drop-in replacements for factory cast manifolds. Full step-by-step instructions are provided.

    Application. This pair of stainless Gibson 1-3/4 in. Performance Headers is designed to be used on the 2014-2018 5.3L or 6.2L V8 GMC Sierra's without the EGR.


    CA Residents: WARNING: Cancer and Reproductive Harm -

    Installation & What's in the Box

    Installation Info

    What's in the Box

    • (2) Gibson Ceramic-Coated Headers
    • (1) Hardware and Gasket Kit

    Questions & Answers

    10 More Questions

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