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2013 - 20 Subaru BRZ MRT Street Race Twin Exit Axle Back Performance Exhaust System 91Z151

MRT 304 Stainless Axle-Back : 2013-2020 Subaru BRZ #91Z151

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2013-20 Subaru BRZ MRT Street Race Twin Exit Axle-Back Exhaust

Retail Price: $479.99
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$359.99
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MRT Part# 91Z151Loudness: 8 Drone: 2 Performance: 8

Application: All 2013 thru 2020 Subaru BRZ
Tune: None Required
Time to Install: 60 Minutes
Choose your options:
Available Options:
Item Code: 91Z151
Usually Ships in 1 to 2 Business Days

This product qualifies for FREE SHIPPING!

The MRT BRZ Version 3 Twin Exit Axle-Back system has a loud, deep muscle car sound and is handcrafted in corrosion-resistant T304 Stainless Steel. Base systems include T304 polished SS 4" tips and 2.5" mandrel-bent tube. Black Ops black matte tip finish is available for an additional fee and custom made. This system is engineered for the best sound to match your BRZ and provides increased performance from the increased exhaust flow. Version 3 has a straight-through design and is the loudest MRT exhaust. This Badass series has just enough exhaust presence with elevated sound to Get Noticed, plenty of opportunities to Feel the Performance, and is packaged in a design without an excessive drone.

Application: All 2013 thru 2020 Subaru BRZ

Hear the Difference
  • How does it sound? The MRT Version 3 Twin Exit Axle Back Exhaust #91Z151 has a loud, deep muscle car sound.
  • Is there drone or resonance? The drone is noticeable but tolerable.
  • What if I step on it? Wide-open throttle increases exhaust loudness and tone to an aggressive 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 2.5" 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.



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