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Gibson MWA Superflow Offset/Offset Oval Muffler; Stainless 2.5 Inch (97-18 Jeep Wrangler TJ & JK)

Item J105973
ExtremeTerrain no longer carries the Gibson MWA Superflow Offset/Offset Oval Muffler; Stainless 2.5 Inch (97-18 Jeep Wrangler TJ & JK). Please check out Jeep Mufflers for an updated selection.
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    Product Information

    Features, Description, Specs & Installation


    • MWA Series - Aggressive Sound
    • No Internal Packing or Baffles
    • 2.5" Inlet/Outlet Diameter
    • Offset Inlet, Offset Outlet
    • Oval, Stainless Steel Construction
    • Straight-Through Design
    • Size: 4” x 9” x 14”
    • Made in the USA
    • Sold Individually
    • Universal Fitment


    Great Sound. Engineered to provide a civilized tone, this 2.5" Offset/Offset Oval MWA Muffler will be moderately louder than stock, but with a rich throaty tone that is pleasing to the ear. Each Gibson Superflow Muffler is quieter in the cab than other competitors and delivers no annoying sounds, vibration or hissing. This MWA Muffler upgrade is designed and tested on stock vehicles to meet legal sound limits for all 50 states.

    Impressive Acoustics, Easy Installation. With a 2.5" offset inlet and 2.5" offset outlet, this MWA Superflow Muffler produces a notable audible increase over stock mufflers, yet minimizes drone and sound transfer to the vehicle cabin. Designed to comply with sound and emission regulations, this muffler is safe to install without worrying about the boys and girls in blue.

    Warranty. Gibson provides a Limited Lifetime Warranty for this MWA Muffler.

    Application. This Gibson 2.5 in. Stainless MWA Superflow Offset/Offset Oval Muffler is designed for any 1997-2017 Jeep Wrangler TJ and JK equipped with a 2.5" inlet and outlet. Sold individually.


    CA Residents: WARNING: Cancer and Reproductive Harm -

    Installation & What's in the Box

    Installation Info

    What's in the Box

    • (1) Muffler

    Questions & Answers

    10 More Questions

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