2015-17/24+ Mustang GT MRT Street Race Axle Back

2015-17/24+ Mustang GT MRT  Street Race Axle Back 91U901
MRT 304 Stainless Axle-back: 2015-17/24+ Mustang GT #91U901
MRT Part# 91U901 Loudness: 8 Drone: 2 Performance: 6

Application: 2015-17/24+ Mustang GT.
Tune: None Required
Time to Install: 60 Minutes
Retail Price: $719.99
Your Price: $599.99

Price with Options: $599.99

Availability: Usually Ships in 1 to 2 Business Days

Available Options:

Product Details Technical Specs Installation Instructions
The Mustang GT MRT Extreme 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. This system is engineered for the best sound to match your GT and provides increased performance from increased exhaust flow. The MRT Extreme Axle Back is the loudest MRT axle-back. It is louder than the Sport Touring Exhaust. This Badass series has just enough exhaust presence with elevated sound to Get Noticed, Feel the Performance note and packaged in a design without excessive drone.

For 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: 2015-17/24+ Mustang GT Coupe and convertible.

Hear the Difference
  • How does it sound? The MRT Mustang GT Extreme Axle Back #91U901 has a balanced, 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 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!

91U901: 2015-2017 Mustang GT MRT KR Axle-Back Overview
  • DIY installation for the backyard mechanic
  • T304 Stainless Steel for the best corrosion resistance
  • Engineered, designed and manufactured in the USA

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Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 1 Write a review »

5 of 5 Look Great and Sounds Awesome April 12, 2023
Reviewed by: CJ Pony Parts  
I bought this system along with the mrt resonator delete H-pipe. My 2016 GT is crazy loud!!!! I turn heads everywhere I go!