2015-2017 Mustang EcoBoost Exhaust Buying Guide

2015-2017 Mustang EcoBoost Exhaust Buying Guide

Last Updated February 5, 2020 | Chris Cervenka

Getting The Most Out Of Your 2.3L EcoBoost

The 2.3L four cylinder turbocharged engine may be new to the Mustang in recent years, however, finding the right aftermarket exhaust with the perfect sound along with maximizing power definitely is an age-old search.

With the introduction of the 2.3L EcoBoost engine to the S550 platform, exhaust options have never been so abundant among Mustang owners. With options from top brands like Ford Performance, AWE, Magnaflow, Borla, MBRP and more, getting the perfect exhaust note out of your turbocharged motor couldn’t be easier.

However, with abundant choices comes difficult decisions. And that’s why your friends here at CJ Pony Parts are here to lend a hand in choosing the right system for you, your Mustang and your build plans! In this article, we’re going to go over axle-back, cat-back, turbo-back and downpipe exhaust options for your turbocharged pony.

Roush Exhaust At CJ Pony Parts

Mustang EcoBoost Axle-Back Exhaust

If exhaust note is more of a priority for you over overall performance benefit, then picking up an axle-back exhaust for your EcoBoost-powered Mustang is the choice for you. Being the most wallet-friendly option, an axle-back exhaust kit for the S550 will require cutting for proper installation, so be sure to keep that in mind.

The main benefit to picking up an axle-back exhaust is the change in exhaust note over the quiet, restrictive factory mufflers. There will be minimal performance benefit for an axle-back system.

When purchasing, make sure you review the manufacturer’s instructions for the proper place to cut on your factory system. And, remember -- you can always cut more off, but it’s much more difficult to weld more pipe back on.

Mustang EcoBoost Cat-Back Exhaust

The most popular option for those who are looking for a compromise of exhaust sound and performance would be a cat-back exhaust system. Due to the deletion of the resonator and a more free-flowing design, you will not only be gaining horsepower throughout the power band but also saving weight by dropping that heavy suitcase of a factory resonator.

These exhaust systems are also much easier to install over axle-back exhaust kits. This is due to the fact that a cat-back connects at the end of the downpipe through the factory clamp. No cutting or drilling will be required to install a cat-back exhaust kit on your EcoBoost Mustang.

Mustang EcoBoost Downpipes

Mustang Downpipes At CJ Pony Parts S550 Mustang With Mishimoto Downpipe

If you’ve already picked up a cat-back system for your Mustang and you’re still craving more power, then your next step for exhaust would be to pick up a downpipe. A downpipe will make the biggest difference in power when it comes to your Mustang’s exhaust system. This is due in part to the fact that turbocharged engines like a free-flowing exhaust system. With that said, the factory downpipe is quite restrictive with its huge catalytic converter.

In shopping for Mustang EcoBoost downpipes, you’re going to have the choice between a downpipe with a built-in high-flow catalytic converter or to delete the cat altogether. They call this an “off-road” downpipe. It’s obvious that an off-road downpipe will give you the largest power gains, however, it could be against the law when it comes to your local emissions. So, be sure to check with your local/state regulations before purchasing.

Mustang EcoBoost Turbo-Back Exhaust

The turbo-back exhaust systems are for those EcoBoost Mustang owners who are currently running their factory exhaust but are ready to upgrade everything together. The best part about a turbo-back exhaust kit is the convenience of a kit that is made to work in unison with the rest of its components.

For example, if you picked up an axle-back exhaust kit, then switched to a cat-back and now you’re looking for a downpipe - you’ve already wasted more time, money and effort than just picking up a turbo-back from the start. That's why it may be a good idea to just go ahead and pick up a turbo-back exhaust system for your Mustang right off the bat.

Making Your “Own” Cat-Back Exhaust Kit

MRT Resonator Delete Y-Pipe CJ Pony Parts MRT Resonator Delete Y-Pipe

If buying a full cat-back exhaust is out of your budget, there is another option for you! If you’re you’re looking for something more than just an axle-back kit, you can pick up the MRT Resonator Delete Y-Pipe. This Y-Pipe is cut and clamped in place of your factory resonator.

That way, if you want to enable more flow and turbo noise to make it through your aftermarket axle-backs, you have the option of picking up this Y-Pipe! The MRT Resonator Delete Y-Pipe is a great choice for those who are looking to get a cat-back exhaust system at a fraction of the price you'd pay for an entire kit. It’s truly a win-win for both your wallet and your ears.

2015-2017 Mustang EcoBoost Exhaust Buying Guide

It can be frustrating looking through pages and pages of exhaust for your Mustang all without finding something that works for you. Add that with the fact you may not be able to hear them in person before purchasing, and it can be a nightmare. This guide will be a step in the right direction for anyone looking for more information on picking up some exhaust for their EcoBoost Mustang!

Related Resources

Cat-Back vs Axle-Back ExhaustCat-Back vs Axle-Back Exhaust

An axle-back system is great for those who are looking for that throaty exhaust note, aren’t as concerned with power gains and would like a reduced price point. A cat-back on the other hand, is for those who may plan on doing headers in the future, want a customizable option with an X or H pipe and want full power benefits from an exhaust system. Now that you know the difference between an Axle-Back and Cat-Back, you have the knowledge at hand to make an educated decision about the direction of your Mustang build’s exhaust system! Check out the CJ Pony Parts website for all of your Mustang’s exhaust needs!

Exhaust: X vs H vs Y PipesExhaust: X vs H vs Y Pipes

One of the most frustrating things in modifying your Mustang, ST, F100, F150 or Bronco is finding the perfect exhaust note. For V6 and V8 motors, the question of which mid-pipe to purchase is definitely a common one. Researching which mid-pipe is best for build is as simple as reading through this article! For V6 and V8 motors, the question of which mid-pipe to purchase is definitely a common one.

Mustang V6 or EcoBoost?Mustang V6 or EcoBoost?

If you’ve spent any time on our website surfing for 2015+ Mustang parts, you’ve probably already come to the conclusion that there definitely isn’t an equal amount of aftermarket parts for the V6 as there is for the EcoBoost. Ever since the 2.3L EcoBoost’s introduction as the non-V8 Mustang, there has been an overwhelming popularity for that platform over the 3.7L. This is due in part of Ford’s push for the EcoBoost platform and the serious potential for that motor upon turning the boost up.

Single vs Dual ExhaustSingle vs Dual Exhaust

Single vs dual exhaust is an age-old debate when it comes to upgrading from your factory exhaust. You may already have a single exhaust and are thinking about converting to a dual exhaust system. Perhaps you may just want to keep your single exhaust setup but still upgrade to a better aftermarket exhaust for added performance benefits. Whether you are looking to update your current exhaust setup or looking at vehicles to purchase, there are pros and cons to both single and dual exhausts.