MRT Axle-Back Exhaust System Eco-Flow 2-1/2" Stainless Steel With 4" Tips Focus ST 2013-2016

CJ's Part Number: 91J101-V
MSRP: $431.24
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MRT Axle-Back Exhaust System Eco-Flow 2-1/2" Stainless Steel With 4" Tips Focus ST 2013-2016
MRT Axle-Back Exhaust System Eco-Flow 2-1/2" Stainless Steel With 4" Tips Focus ST 2013-2016 MRT Axle-Back Exhaust System Eco-Flow 2-1/2" Stainless Steel With 4" Tips Focus ST 2013-2016 MRT Axle-Back Exhaust System Eco-Flow 2-1/2" Stainless Steel With 4" Tips Focus ST 2013-2016 MRT Axle-Back Exhaust System Eco-Flow 2-1/2" Stainless Steel With 4" Tips Focus ST 2013-2016 MRT Axle-Back Exhaust System Eco-Flow 2-1/2" Stainless Steel With 4" Tips Focus ST 2013-2016 Play MRT Axle-Back Exhaust System Eco-Flow 2-1/2" Stainless Steel With 4" Tips Focus ST 2013-2016 Video 1
Mustang Racing Technologies

Product Description

MRT 2-1/2" Stainless Steel Eco-Flow Axle-Back Exhaust System with 4" Tips for all 2013, 2014, 2015 and 2016 Focus STs.

This all-new 2-1/2" stainless steel Eco-Flow axle-back exhaust system with 4" tips from MRT is the perfect upgrade when looking to increase performance and sound out of your 2013, 2014, 2015 or 2016 Focus ST!

MRT Eco-Flow Exhaust Features and Benefits:
- Increases horsepower and torque by approximately 10 percent
- Improved exhaust flow with an aggressive performance sound
- Improves fuel economy
- Full 304 stainless steel construction
- Lightweight design
- Made in the USA
- Polished stainless steel or matte black 4" round tips

The MRT Eco-Flow exhaust system for the 2013-2016 Ford Focus ST is a perfectly engineered, free flowing, performance exhaust. The team at MRT focused on generating the ideal performance exhaust note, revealing that amazing turbo sound while controlling unwanted drone and resonance. The result is an extremely fun, true performance sound that maintains driving comfort and pleasure.

MRT manufactures their Eco-Flow axle-back exhaust from the highest grade 304 stainless steel. This premium material is lightweight, super durable against rust and corrosion resistant. All design work, testing and manufacturing of this system is provided by MRT. The Eco-Flow exhaust can be installed very easily by any driveway mechanic or performance shop.

Order MRT's 2-1/2" Stainless Steel Eco-Flow Axle-Back Exhaust System with 4" Tips for your 2013, 2014, 2015 or 2016 Focus ST from CJ Pony Parts today!

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Focus Applications

This product will fit the following Ford Focus years:

Product Reviews

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MRT Axle-Back Exhaust System Eco-Flow 2-1/2" Stainless Steel With 4" Tips Focus ST 2013-2016 is rated 5.0 out of 5 by 2.
Rated 5 out of 5 by from Great Sound I bought this 2 days ago and it has already arrived. I went to Midas and they installed it in 30min for 80 bucks. I love the sound. Sounds like alot of the big money pipes but without spending all the cash. Quite at idel but nice when you step on the gas. I like how it is not loud enough that is wakes a neighborhood.
Date published: 2015-09-18
Rated 5 out of 5 by from Sounds great!! This muffler delete sounds amazing, it was installed in no time with ease, I reccomend using the accessport and stage 1 map at minimum. After a few hundred miles it sounds much better. For the money you can't go wrong.
Date published: 2015-08-19
  • 2016-05-23T08:22CST
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Product Questions

Is this axle back very loud ? Looking for a deep sound that's not to boy racer 

Asked by: 2015focusstnyc
Yes this has an aggressive performance sound.
Answered by: rk cjpp
Date published: 2016-03-24

Is this a direct bolt on piece or do you have to cut the factory exhaust and weld this in? 

Asked by: WvSt
You do have to cut the factory exhaust, but this will bolt right up after the cut has been made with no welding required.
Answered by: CJPP Dave
Date published: 2016-03-14

I watched a lot of ur videos but do you have one to watch on this exhaust,so I can hear it first??

Asked by: THE STIG
Sorry we do not have an installation video on this part.
Answered by: rk cjpp
Date published: 2016-02-15

What are the pros and cons of this item compared to the CAT-Back system? How would you compare the sound produced verses the CAT SYSTEM?

Asked by: Lucylou1
This item is essentially new tailpipes and tips, which affects the sound and offers only mild performance gains (due to better flow). If you install a catback, you're getting a new muffler, too, which offers even better flow and performance.
Answered by: CJ Pony Parts
Date published: 2015-06-15
  • 2016-05-23T08:55CST
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Product Video

MRT Axle-Back Exhaust System Eco-Flow 2-1/2" Stainless Steel With 4" Tips Focus ST 2013-2016 Video Transcript
By Bill Tumas: We’re here with MRT's Eco-Flow Axle-Back Exhaust System fitting your 2013-2106 Focus ST. MRT took a unique approach to the Focus ST exhaust system. Instead of replacing the entire thing, they simply do an axle-back, this way you can cut it behind your rear axle, and get rid of the heavy factory muffler. This comes with 2 1/2 inch stainless steel mandrel-bent piping, including a tuning tube and a set of large polished tips. This MRT Eco-Flow Axle- Back Exhaust System is easy to install, made right here in the USA, and adds a nice aggressive sound to your Focus ST.