2015+ Mustang MRT EcoFlow RD Y-Pipe

2015 - 2021 Mustang EcoBoost MRT EcoFlow RD Y-Pipe 90M100
MRT 304 Stainless Resonator Delete Y-Pipe: 2015-2021 Mustang Ecoboost #90M100
MRT Part# 90M100 Loudness: 6 Drone: 2 Performance: 8

Application: 2015 thru 2021 Mustang Ecoboost
Coupe and Convertible.
Doesn't Fit: GT, GT500, GT350.
Time to Install: 60 Minutes
Retail Price: $311.99
Your Price: $259.99

Availability: Usually Ships in 1 to 2 Business Days

Product Details Technical Specs Installation Instructions
The MRT EcoFlow RD (Resonator Delete) Y-Pipe Exhaust system has a loud, deep muscle car sound and is handcrafted in corrosion-resistant 2.5" T304 Stainless Steel. This is a Resonator Delete Y-Pipe replacement exhaust system for your Mustang. MRT engineered this system with the best sound to match the Mustang Ecoboost. It provides increased performance from the increased exhaust flow. RD is the loudest MRT Mustang exhaust with just enough elevated sound to Get Noticed, plenty of opportunities to Feel the Performance, and packaged in a design without an excessive drone.

Application: 2015 thru 2021 Mustang Ecoboost Coupe and Convertible.

Doesn't Fit: GT, GT500, GT350.

Hear the Difference
  • How does it sound? The MRT EcoFlow RD Y-Pipe Exhaust #90M100 has a balanced, deep muscle 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!

90M100: 15-20 Mustang MRT EcoFlow RD Y-Pipe Review
90M100: 15-20 Mustang MRT EcoFlow RD Y-Pipe Sound Clip
  • 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: 3 Write a review »

5 of 5 A bit louder than stock March 30, 2022
Reviewed by: Mary from CA  
If you want your car to remain a sleeper and want better flow this system is a good choice. You can hear the turbo spool more and it fits perfectly.

5 of 5 Easy Install May 20, 2021
Reviewed by: Matthew from California  
Just enough sound, sounds great and a value. Easy assemble.

5 of 5 Good bang for the buck! May 4, 2021
Reviewed by: Mike C from Texas  
Nice sounds.  Its a little bit louder than stock exhaust -- I love hearing the turbo spool more.