18-20 Wrangler JL MRT Off the Grid™ Axle-Back #90R137

2018-2020 Jeep Wrangler JL MRT MRT Off the Gridâ„¢ Axle-Back Performance Exhaust System 90R137
Alternative Views

Quick Details
  • Fits: 2018 - 2020 Wrangler JL
  • Tune: None Required
  • Install: 60 Minutes
  • Premium Handcrafted
  • Made in the USA
  • T304 Stainless Steel
  • Badass Series
    Loudness: 9
    Drone: 3
    Performance: 8
  • Loud
  • Comfortable
  • Feel It!
  • Add the Black Ops Edition for a high temp matte black stylish finish.
    List Price: $179.99
    Your Price: $149.99


    Product Details
    Badass Series Series : MRT Off the Grid™ Axle-Back #90R137
    Loud, Aggressive, Take No Prisoners!

    Hear the Difference

    • How does it sound?
      The MRT Off the Grid™ Axle-Back #90R137 has a aggressive, deep muscle car sound.
    • Is there drone or resonance?
      Drone is comfortable and hardly noticeable.
    • What if I step on it?
      Wide open throttle increases exhaust loudness and tone to an aggressive performance sound.

    Feel the Performance

    • What is the muffler design?
      Straight through design to provide maximum exhaust gas flow.
    • What is the tube diameter?
      Large 2.5" tube is used for reduced exhaust flow restrictions.
    • What are the performance gains?
      Reducing restriction and maximizing flow provide for noticeable gains.

    Get Noticed

    • What kind of tip is it?
      No Tips. Turn down 2.5" T304 SS pipe for optimal off road ground clearance.
    • What are my system finish options?
      Metal SS : No Finish.
    • What are my tip finish options?
      Metal SS : Polished.

    Vehicle Application

    • Which vehicles does this fit?
      2018, 2019, and 2020
      Jeep Wrangler JL 3.6L 2 & 4 Door
    • What doesn't it fit?
      Other Jeep models.
    • Does it require a tune?
      No tune is required for this type of upgrade.

    Product Quality

    • What kind of steel is it made from?
      Corrosion resistant T304 stainless steel.
    • Where is it made?
      Developed and handcrafted in-house at our facility in Plymouth Michigan USA.
    • How long is the Warranty?
      Limited Lifetime Warranty (See Warranty Page for Details)


    • Can I install this myself?
      MRT engineers this Premium Exhaust System for a simple do-it-yourself (DIY) installation.
    • How long does it take to install?
      Installation time is about 1 hour and requires only common hand tools.
    • What is included?
      All necessary hardware included.