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Gibson 3-Inch / 2-Inch Super Truck Stainless Exhaust System; Middle Side Exit (14-18 5.3L Sierra 1500)

Item S500974
AmericanTrucks no longer carries the Gibson 3-Inch / 2-Inch Super Truck Stainless Exhaust System; Middle Side Exit (14-18 5.3L Sierra 1500). Please check out 2019-2021 GMC Sierra Exhaust Systems for an updated selection.
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    Product Information

    Features, Description, Q&A, Specs & Installation


    • Cat-Back Exhaust System
    • Polished Rectangular Tips
    • 3”/2” Diameter Mandrel-Bent Stainless Tubing
    • Kit Includes Hardware and Factory-Style Hangers
    • Tailpipe Exits in Front of Rear tire
    • Fits 2014-2018 5.3L GMC Sierra 1500 Models


    Extra Performance Guaranteed. This cat-back exhaust system from Gibson is capable of creating more power from the 2000-4000 RPM range, compared to other competing kits. The exhaust system makes use of the company's patented Superflow Mufflers and slip-fit connections for a noticeable boost in performance. Indeed, dyno-testing has consistently shown a 10-15 horsepower gain, along with an additional 15-20 ft/lbs of torque for your truck.

    A Loud and Deep Rumble to Match. With this cat-back exhaust system, you'll also hear a deeper and more aggressive growl to go with the upgrade in performance. This is thanks to the kit's larger diameter tubing, high-flow mufflers, and larger stainless dual tailpipes.

    Hassle-Free Mounting, No Welding Needed. Like all Gibson systems, this cat-back exhaust kit allows for easy bolt-on attachment, with no welding needed for a full installation. It's a complete exhaust system upgrade, with everything you need included in the package.

    Application. This Gibson 3 in. / 2 in. Super Truck Stainless Cat-Back Exhaust System with a Middle Side Exit has been designed to be used on the 2014-2018 5.3L GMC Sierra's with the following cab and box configurations.
    • Double Cab with the Standard Box
    • Crew Cab with the Short Box
    • Crew Cab with the Standard Box

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    CA Residents: WARNING: Cancer and Reproductive Harm -

    Installation & What's in the Box

    Installation Info

    What's in the Box

    • (1) 3” Headpipe
    • (1) Superflow CFT Muffler Assembly
    • (2) Sport Truck Tips
    • (1) 3” Clamp

    Reviews of Gibson Exhaust Products (16)

    Reviews of Gibson Exhaust products have an average rating of 4.8 out of 5

      Questions & Answers

      10 More Questions

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