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2012 - 14 Dodge Charger SRT8 MRT Sport Touring  Axle Back  91G140

MRT 304 Stainless Axle-back: 2012-2014 Charger SRT8 #91G140

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2012-14 Charger SRT8 MRT Sport Touring Axle Back

1 Reviews
Retail Price: $791.98
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$593.99
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Loudness: 7 Drone: 3 Performance: 7

Application: 2012 thru 2014 Charger SRT8
Doesn't Fit: Other Charger models.
Tune: None Required
Time to Install: 60 Minutes
Choose your options:
Available Options:
Item Code: 91G140
Usually Ships in 1 to 2 Business Days

This product qualifies for FREE SHIPPING!

Give your ride a refined, on-demand performance sound that is loud when you want it. The MRT Charger SRT8 Sport Touring Axle-Back system is handcrafted in corrosion-resistant T304 Stainless Steel with 4" polished tips and 3" mandrel-bent tube. Increase exhaust flow for noticeable performance gains whether you are on the road or the track. Step on it for a spirited and fun roar that will turn heads at high speeds. This system is engineered for the best sound to match the Doge Charger powerful engine and provides increased performance from the better exhaust flow. The MRT Sport Touring Axle-Back has a more mellow sound versus the Street Race axle-back system. Sport Touring is the street performance series that is perfect for your daily driver with just enough exhaust presence with elevated sound to Get Noticed, plenty of opportunity to Feel the Performance, and packaged in a design without excessive drone.
Sport polished stainless steel tips or go for the Black Ops black matte tip finish (available for an additional fee.)

For Charger customers with factory-installed Active & Dual Mode Exhaust valves, MRT offers and recommends a simple solution that allows you to upgrade your exhaust system without having to develop a tune. For more information on these plates, refer to MRT Part #92G155 or simply add to your shopping cart before checkout.

Application: 2012 thru 2014 Charger SRT8, V8 engine

Hear the Difference
  • How does it sound? The MRT SRT8 Sport Touring Axle-Back #91G140 has a refined performance sound with a nice rumble at start-up
  • Is there drone or resonance? Minimal drone.
  • What if I step on it? Wide-open throttle delivers a spirited and fun performance sound.
Are you located close to Plymouth, MI and need your MRT aftermarket exhaust installed? Call MRT at 734-455-5807 to make an appointment today!


  • DIY installation for the backyard mechanic
  • T304 Stainless Steel for the best corrosion resistance
  • Engineered, designed and manufactured in the USA
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 MRT facility in Plymouth, Michigan, USA.
  • How long is the Warranty? Limited Lifetime Warranty (See Warranty Page for Details)
Feel the Performance
  • What is the muffler design? Straight through design to provide maximum exhaust gas flow.
  • What is the tube diameter? A large 3" tube is used for reduced exhaust flow restrictions.
  • What are the performance gains? Reducing restriction and maximizing flow provides for noticeable gains.
Get Noticed
  • What kind of tip is it? Dual 4"double wall T304 stainless steel tips with beveled edges.
  • What are my tip finish options? Stylish Polished Stainless Steel or Black Ops Matte Ceramic.
  • How do I get noticed? Great sound and great looks turn heads and get positive comments!



  • Can I install this myself? Yes, 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.



    • Reviews

      Average Rating:
      ( 1 )
      Robert Brinkman from Downers Grove, IL
      September 14, 2021
      Perfect Exhaust Note
      Just installed this system on my 2013 SRT charger. It is my daily driver so I did not want anything to loud. This exhaust is perfect. Nice rumble on start up and idle while still getting the deep muscle car sound when you really step on it!
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