Magnaflow Focus ST Street Series Cat-Back Exhaust (2013-2018)

2 Review(s)
$1,152.02
$394.83 (34%)
$757.19
Wake up your Focus ST with the MagnaFlow 15155 Street Series cat-back. The Street Series exhaust systems provide a more aggressive sound without interfering with comfort. Cruise comfortably or step on it and hear your Focus come to life with a sporty exhaust note.
Part Number: 263 15155
15155
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Description


The Street Series exhaust system is the perfect upgrade for someone that wants an exhaust system with a more aggressive sound and better performance than the stock system, without interfering with daily driving. The system offers the perfect blend of sport and comfort so that you can enjoy those backroads on the weekends and take the wife to dinner during the week.

Get that hot hatch sound. The Ford Focus ST was instantly popular with enthusiasts thanks to the fun driving and great functionality. The cat-back exhaust lets others know that it isn't an average Focus, and lets people know that your ST is ready to perform.

Smoother and less restricted exhaust flow. MagnaFlow's cat-back system is designed to provide the best performance possible with smoother bends, a larger diameter pipe, and straight through mufflers. The system will help to increase the power of your engine, improve throttle response, and help you get the most out of future modifications.

Features & Benefits: 
  • Increase horsepower
  • Improve throttle response
  • Deep sporty exhaust note
  • Durable T409 stainless steel construction
  • Lifetime warranty
  • 4.5" double wall polished tips
About MagnaFlow: The team at MagnaFlow is dedicated to designing exhaust systems that offer the highest quality, best sound, and peak performance. Every system is tested to ensure every goal is met and that your Focus will be equipped with the best exhaust system available. Backed by parent companies that have over 35 years in the exhaust industry, you can be confident that every system is designed with expertise.

CA Residents: Cancer and Reproductive Harm WARNING www.p65warnings.ca.gov.


Fitment & Features

Manufacturer:
Manufacturer: MagnaFlow

Installation Information:
Level of Difficulty: Easy
Install Time: About 3 Hours
Tools Required: 12mm socket, 14mm socket, 15mm socket, ratchet, pry bar, jack, jack stands

Vehicle Fitment:
Fits Trim Levels: ST
Fits Model Years: 2013, 2014, 2015, 2016, 2017, 2018

Customer Reviews

Rating Snapshot

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Average Customer Ratings

4.5

Great Exhaust, Mild to Wild As Needed!
I actually got ahold of the Magnaflow exhaust Steeda had used on one of their trade show cars a few times, so obviously it had already been installed and had a bit over 1k miles on it. First off, and most importantly, this exhaust is definitely for someone who wants to be as low-key as possible when they leave for work at 5am, but tear it up on their way home ( I got myself pulled over within a week of installation because I couldn't help gunning it to hear the exhaust tone!). At warm idle, exhaust burbles and sounds mean. I grew up with Mustangs and aftermarket exhaust, so I didn't want anything ricey, and this is definitely not a cheap sounding exhaust. I have a stage 3 setup with a catless DP, and still, drive mildly, and you get a mild tone. Drive it like you stole it, and it screams. Perfect balance. So why only 4 stars? As you have read or heard on various forumes, the original design (model I received) does not fit properly into the stock space. No matter what I did, and how I twisted things, I had to leave the cross brace under the front muffler off. Additionally, on a regular, but not obnoxious basis, I get a rattle near the rear end during low RPMs.. Pretty positive it's coming from the rear muffler and its 1/2" clearance from the heat shield next to it. Have tried adjusting everything again, and no luck. Even have my idle tuned to 950 to negate as much lumpiness as possible, but can't seem to get rid of it. But honestly, it's quite livable considering I've basically maxed my ST out, and love the tone and Jeckle/Hyde dual personalities of this lightweight, free flowing exhaust! I love it, and have no regrets whatsoever with my decision to go with Magnaflow!
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from Tampa, FL on 5/22/2018
4
The right sound!
This is great sounding and great looking exhaust for the Focus ST. There are lots of choices out there but for me...its about quality and that muscular sound that isn't too "in your face", but lets everyone know this isn't your average focus. If you are looking for an exhaust that won't wake your neighbors has you drive off to work, but will wow your senses once you get on it, this is what you need. Disclaimer, your fuel mileage will most likely go down as you will want to drive this car hard thru the gears just to hear that beautiful sound! Ahh....its awesome! Perfect for this car....no Symposer needed...unplug it, or if like mine, it has already stopped working so no need to mess with it.
Did you find this helpful?  5 of 5 Found Helpful
from Georgia on 5/28/2016
5
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