05-10 Mustang V8 MRT KR Axle-Back #91A150

2005 - 2010 Mustang GT and Shelby GT500 MRT KR Muffler Delete Axle-Back Performance Exhaust System 91A150
Quick Details
  • Fits: 2005 - 2010 Mustang V8
  • Tune: None Required
  • Install: 60 Minutes
  • Premium Handcrafted
  • Made in the USA
  • T304 Stainless Steel
  • Badass Series
    Loudness: 10
    Drone: 2
    Performance: 6
  • Loud
  • Comfortable
  • Feel It!
  • Add the Black Ops Edition for a high temp matte black stylish finish.
    List Price: $455.99
    Your Price: $379.99

    Price with Options: $379.99


    Product Details
    Badass Series : MRT KR Axle-Back #91A150
    Loud, Aggressive, Take No Prisoners!

    Hear the Difference

    • How does it sound?
      The MRT KR Axle-Back #91A150 has a loud, 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?
      4" double wall, polished T304 stainless steel tips with beveled edges.
    • What are my system finish options?
      Metal SS : No Finish or the Black Ops : Total System Blackout.
    • What are my tip finish options?
      Metal SS : Polished Tips or the Black Ops : Dual Tip Blackout.

    Vehicle Application

    • Which vehicles does this fit?
    • Fits 2005, 2006, 2007, 2008, 2009, and 2010 Mustang GT 4.6L V8
      Fits 2006, 2007, 2008, 2009, and 2010 Mustang GT California Special (GT/CS) 4.6L V8
      Fits 2008 and 2009 Mustang Bullitt 4.6L V8
      Fits 2007, 2008, 2009, and 2010 Mustang GT500 5.4L V8

    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.

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