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Borla Stinger S-Type Cat-Back Exhaust with Polished Tips (15-20 EcoBoost Fastback w/o Active Exhaust)

Item 387467
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      Video Review & Installation

      Hey everybody, I'm Justin with This is my detailed review of the Borla Stinger S-Type Cat-Back exhaust system with Y-pipe available for your 2015 and up EcoBoost powered Mustang. You should be checking out the S-Type from Borla if you're after a quality system from a name like Borla, you don't mind spending a little extra to get that premium build, and finally and most importantly you want a deep aggressive tone for your EcoBoost. It's been my experience, guys, that there are generally two types of EcoBoost owners out there: Ones that would like to keep things as quiet as possible and ones that would like to hear a good amount of engine noise and turbo noise. As you guys heard with our sound clips earlier, the S-Type is definitely going to be on the little bit more aggressive side, but it's definitely not the loudest system we offer. This is one of a handful of offerings from Borla for your EcoBoost powered ride and is going to fall right in the middle between the Borla Touring, which is their milder of the three systems, and the Borla ATAK which is definitely their most aggressive. Comparing the S-Type to the more aggressive ATAK, I'd say the S-Type is going to offer a deeper more refined tone overall compared to the ATAK which is going to be a little bit more loud, a little bit more in your face. Overall the S-Type is still giving you a good amount of volume and you're still getting a good amount of turbo noise, which I personally enjoy. That being said, guys, on my one to five or one to wake the neighbors scale, I'm willing to give the S-Type here a solid three out of five, maybe even inching up to a four out of five overall. Again, you're getting some good amount of volume here. If overall volume is your number one goal then the ATAK would definitely be the better system for you.Let's switch gears a little bit and talk about the construction here with the Borla. If you've had a Borla system before, you know you're getting a premium product. As such, you are going to be paying top dollar. The S-Type falls right in line with that $1200 to $1300 price range which is definitely at the top of the food chain when it comes to EcoBoost Cat-Backs. However, you are getting what you pay for here, guys, 304 grade stainless steel throughout, two and a quarter inch mandrel bent tubing, the included Y-pipe, Stinger mufflers, all exiting out the large four inch polished tips embossed with the Borla logo. My one small nitpick here with the Borla systems is the diameter of the piping. Two and a quarter inch is a little small in my opinion for a turbo car. Personally, I'd like to see two and a half or two and three quarters or even a three inch system, especially when you're talking about a turbo application. That being said, it's not ultimately going to kill your performance. If you do plan on going all out later on down the road, you might want to consider a different system. All right, guys, on to the install. Thanks to the S550's new independent rear suspension, that makes catback installs a whole lot easier. Dropping the factory Cat-Back and installing the new Borla system here can easily be accomplished by anyone with a few basic hand tools and wrenches and basic socket set, guys. One out of three wrenches on my overall difficulty meter here. Maybe an hour or two in the garage or driveway from start to finish. Of course you are working underneath the car, so make sure you have your jack and jack stands ready to go or a lift or race ramps if you have those. You can do this by yourself. I will say an extra set of hands would be helpful in dropping the factory system since it is one piece and it can be a little cumbersome. Overall, you should be able to do this by yourself without any issues. In the end, guys, I really do enjoy the S-Type for the EcoBoost. You are getting a good amount of tone and turbo noise but without being totally obnoxious. Even better, it's completely quiet inside the car. Again, I'd like to see slightly bigger diameter piping here, but overall you're going to have a very hard time beating the quality and construction of a name like Borla. Be sure to check out a system for your EcoBoost powered Mustang here at

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Loud Throaty Exhaust Note without the Drone
      • Y-Pipe and "S-Type" Stinger Mufflers Included
      • 2.25" Mandrel-Bent Stainless Steel Tubing
      • 4" Chromed Stainless Steel Tips w/ Embossed Borla Logo
      • Direct Bolt-On Design
      • Not Compatible with Active Exhaust
      • Fits 2015-2020 EcoBoost Mustang Fastback


      Aggressive Throaty Sound. Add an aggressive throaty exhaust note to your turbocharged 2015-2020 EcoBoost Fastback Mustang with a Borla Cat-Back Exhaust System that features a pair of Stinger S-Type mufflers and 4" embossed chrome exhaust tips. This catback not only sounds great, but also improves exhaust flow with the included Y-pipe for an increase in horsepower and torque.
      High Quality Construction. Manufactured from ultra smooth mandrel bent 2.25" diameter stainless steel tubing to improve exhaust flow, this Borla catback exhaust system includes an Y-pipe and features two straight-through "Stinger" mufflers with 4" chromed stainless steel tips that are embossed with the Borla logo for both aggressive sound and impressive looks.

      This Borla Stinger S-Type Cat-Back Exhaust System is designed as a direct bolt on replacement for the 2015-2020 EcoBoost Fastback Mustangs without the Active Valve Exhaust. Not compatible on Convertible models.

      Please Note. The included mufflers are 49 state drive-by noise legal, not intended for use in the state of California.

      Fitment: 2015 2016 2017 2018 2019 2020 Details

      Borla 140584

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Right muffler assembly
      • (1) Left muffler assembly
      • (1) Y pipe assembly
      • (1) Right intermediate pipe
      • (1) Left intermediate pipe

      Tech Specs

      Cat-Back Exhaust Specifications
      Piping Material:Stainless Steel Tip Material :Chromed Stainless Steel
      Piping Size:2.25"Tip Size:4.0"
      Muffler Type:Straight-throughFitment:2015-2017 EcoBoost Fastback

      Customer Reviews (100+)

        Reviews of Borla Exhaust products have an average rating of 4.8 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Mustang

          • EcoBoost - 15, 16, 17, 18, 19, 20

          Not Compatible on Convertible Models

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