Roush Cat-Back Exhaust Kit 3" Focus ST 2013-2016

Roush: 421610
MSRP: $624.99
CJ's Low Price:
$599.99
1469577600 4676
Pick up this item to go along with your new Cat-Back Exhaust!
CJ's Low Price:
$500.00
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CJ's Low Price:
$54.99
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Roush Cat-Back Exhaust Kit 3" Focus ST 2013-2016
Roush Cat-Back Exhaust Kit 3" Focus ST 2013-2016 Roush Cat-Back Exhaust Kit 3" Focus ST 2013-2016 Roush Cat-Back Exhaust Kit 3" Focus ST 2013-2016 Roush Cat-Back Exhaust Kit 3" Focus ST 2013-2016 Play Roush Cat-Back Exhaust Kit 3" Focus ST 2013-2016 Video 1
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Product Description

Roush 3" Cat-Back Exhaust Kit for all 2013, 2014, 2015 and 2016 Focus STs.

This Roush Exhaust kit has a performance-flow muffler and uses 3" diameter tubing that helps the turbocharged Focus expel gases faster for increased power. Mandrel bent 409 stainless steel tubing also helps to achieve optimum air flow in this system. The whole exhaust system utilizes factory mounting locations for a straight forward install that you can do yourself, at home, with only basic hand tools.

Kit Includes:
- Performance-Flow Muffler
- Mid-Pipe Assembly
- Y-Pipe Assembly
- Dual 4" Exhaust Tips
- All Necessary Hardware
- Installation Manual

Please Note: Ford designed the 2015 Focus ST with four exhaust hangers but only added three on the factory exhaust system. All aftermarket exhaust systems are built to use that fourth exhaust hanger. CJ Pony Parts recommends the purchase of COBB’s Polyurethane Exhaust Hanger Kit (591001).

This Roush 3" Cat-Back Exhaust Kit for all 2013-2016 Focus STs features dual, 4" round 304 chrome flashed tips with rolled edges and stamped Roush logos, center exiting the car. Roush's cat-back enhances the exhaust note and pitch of your Focus ST for a high performance sound that will surely garner some attention. Between the large diameter piping used, the straight forward uninhibited air path and performance-flow mufflers, this exhaust kit will achieve some significant horsepower and audible performance gains.

Order a Roush 3" Cat-Back Exhaust Kit for your 2013, 2014, 2015 or 2016 Focus ST from CJ Pony Parts today!

Similar Focus Parts

similar Focus parts More Cat-Back Exhaust Kits  

Installation Instructions

Mustang Installation

Focus Applications

This product will fit the following Ford Focus years:

Product Reviews

Write a review
Roush Cat-Back Exhaust Kit 3" Focus ST 2013-2016 is rated 4.5 out of 5 by 18.
Rated 5 out of 5 by from Awesome Sound I bought this exhaust about a month ago. I had reservations because I had read several reviews saying it was too loud. For me, that was not the case. The exhaust has a deep tone that sounds great when you're accelerating quickly and has a nice little burble when decelerating. As much as I love it, however, it does have a drone when you're out on the highway cruising at 70+. I wish this were not the case, but it is. This is not so much a problem for me. I don't mind it. But I know if my girlfriend were to come along for a ride, it would annoy her. Overall, I give the product my recommendation and five stars. Also, CJ Pony Parts delivered the product extremely fast. It may be different for you, but it took them only 3 business days to deliver this to me and it was FREE.
Date published: 2015-03-25
Rated 4 out of 5 by from Starts out loud but mellows out Bought this exhaust because I wanted something that sounded mean, but was not overly expensive. Many people have expressed concern with it being too loud. I'd have to disagree. The exhaust is loud between 2500 and 3000 rpm, but very mellow everywhere else in the range. For the first 500 miles the exhaust is very loud, but once it breaks in the sound is deep and not overly loud. In my opinion it sounds like it should have from the factory, like a performance hatch. In terms of performance, throttle response is noticeably better, but I don't think there is much hp increase. Overall, great option for an inexpensive exhaust.
Date published: 2015-08-17
Rated 5 out of 5 by from Great tone! This exhaust is perfect for me. Not too loud unless I floor it, it's the best exhaust on the market if you ask me. Quick and easy install as well, a little more difficult if you do it on jack stands at home like I did.
Date published: 2016-04-06
Rated 5 out of 5 by from Money Well Spent I love this exhaust system. Went with this one instead of any others because of the build quality and of course the sound. This system is loud, but not too loud. I also run this with a cat-less downpipe, and if you keep from steppin' on the gas, you can still tiptoe around town. As soon as you mash the throttle, however, people know you're comin'. I also love the crackles and pops that it has during decel, and has a nice and aggressive tone. People complain of drone, and yes it has -some- but nothing that the radio can't cover up. Seriously, I can't even hear this if I have my music blasting. Overall, I would definitely buy this again over every other exhaust out there. P.S. even my girlfriend loves it.
Date published: 2016-04-21
Rated 5 out of 5 by from INLOVE WITH THIS SYSTEM I bought this CBE from roush through the great people here at CJPonyParts and got it within 3-5 days. I put it in myself in a friends garage and didn't take long to do really easily actually. The only hard part was cutting off the old and figuring out how far you want your tips to stick out lol. Thought nothing of it at first until putting under a load just a quick pull and my god it's ear filling and puts a smile on your face. Subaru owners take a lot of liking to it and that should tell you something but if you know how to fiddle with your clutch and throttle it will pop and bAckfire sometimes crackle and pop three times at once. Drone isn't bad unless highway driving but cmon. Who buys a roush system and cares about that. If you don't like loud and attention and drone it may not be for you but if your a car loving loud exhaust having spazz like me you'll be Inlove. Can't wait for my non cat downpipe next =D
Date published: 2016-02-02
Rated 2 out of 5 by from Drones I can be first and second to review this, because my prior review was deleted, because it wasn't 5 stars? Keep your stock exhaust, or if you have to have it loud, go with Ford Racing. This system drones and the car just isn't fun to drive anymore. Scout around the forums, you'll see. Quality is top notch, looks OK, but overpriced like the all the others
Date published: 2015-01-08
Rated 5 out of 5 by from ST Roush exhaust kit. This give the car such a euro sound. It makes the car driving experience fun. I so glad I put this on my ST
Date published: 2015-05-11
Rated 5 out of 5 by from VERY EASY TO INSTALL Put this product on 2 days ago. Very easy to install and a very good sound. A little loud when cruising but other than that it's an amazing product
Date published: 2015-09-19
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Product Questions

Is this exhaust warranty safe?

Asked by: wood0639
Yes it is. Read up on the Magnuson-Moss Warranty Act to see why.
Answered by: CJ Pony Parts
Date published: 2015-10-06

I am interested in the exhaust system for the 2015 Fiesta ST although the example that is shown shows the centered exit exhaust. The 2015 exhaust comes out along the posterior aspect on the passenger side on my Fiesta ST. Is that available?

Asked by: Darryn
It is. The reason this one doesn't fit is because it's for FOCUS STs, not Fiestas. To get a Fiesta ST exhaust, visit http://www.cjponyparts.com/fiesta-st-exhaust/c/4128/.
Answered by: CJ Pony Parts
Date published: 2015-10-02

Is it possible to keep the stock exhaust tips from the 2013 focus ST? i prefer that design to the round ones that come with the kits.

Asked by: Spyne
Depends on the size of the exhaust from the kit you're getting versus the size of the tips - you can keep them if you can attach them and make them work.
Answered by: CJ Pony Parts
Date published: 2015-12-30

Can I use this in my regular ford focus?

Asked by: ebitrios
I just bought this exhaust kit and it comes with an extra adapter for use with the non ST focus. So according to roush it does work on a non ST focus.
Answered by: ralemzor
Date published: 2015-06-30

Any idea what the expected gains are for this exhaust? 

Asked by: Atkins7288
The gains are modest from this exhaust. It helps improve air flow exiting the vehicle and is lighter, which results in a bit more power, but nothing out of this world.
Answered by: CJ Pony Parts
Date published: 2015-09-28

Is this exhaust kit compatible with the sedan or is it only the hatchback and ST? thanks

Asked by: Ford1234

Hi just installed this CBE on my 2015 ST. Is there any way to lessen the drone? It almost makes the car very un pleasant to drive. I used the Cobb hanger mounts and it almost feels like the drone vibrations are coming into the cabin. What can I do?

Asked by: jlm999
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Product Video

Roush Cat-Back Exhaust Kit 3" Focus ST 2013-2016 Video Transcript
By Bill Tumas: We’re here with a Roush 3-inch stainless steel cat back exhaust system fitting your 2013 through 2016 Focus St. This Roush cat back exhaust is made of 409 stainless steel and is 3-inch piping front to back. It features full Mandrell bent pipes for a nice smooth flow through a Roush tuned muffler and you get a set of 4-inch Roush polished tips with the Roush logo. The kits going to come with two front pipes, one to connect to your 2013 through 2016 Focus ST and the other one will actually work with a naturally aspirated Focus. This Roush 3-inch exhaust system will work great with mild or even high performance builds.