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Borla Stinger S-Type Cat-Back Exhaust with Polished Tips (05-09 GT)

Item 29002
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      Review & Installation Video

      The Borla Stinger S-Type cat-back exhaust is available for all '05 to '09 Mustang GT owners who are looking to pick up some serious volume with a deeper, throatier, and more aggressive muscle car grown and a top-quality construction. The installation here is going to be pretty simple. It will be a direct bolt-on, no cutting or drilling required. Expect one out of three wrenches on our difficulty meter, which we'll talk more about later on. As you just heard from our sound clip, this thing is pretty much no joke. It definitely amps up the volume of your 4.6, but doesn't go too overbearing. It is the middle child of the three Borla ATAK options, the beginner one being Touring as a more mellow option, this being in the middle, and then the all-out screamer is the Borla ATAK. Now, this one I'm giving three out of five on our loudness meter, because it does give you a pretty nice rumble at idle. Once you start opening up the throttle, it gets pretty rowdy. But it doesn't have any drone inside the car. Now, if you're really looking to wake the neighbors, you'll probably want to pick up the ATAK that I definitely give five out of five. But this one is more for the guys looking to pick up the sound, get a little bit more aggressive, but not go too over the top. This one does offer some of the top-quality materials that you can possibly pick up for your exhaust, with a mandrel-bent, two and a half-inch, aerospace-grade T304 stainless steel, with a straight-through baffle design. That pretty much just helps you get the sound clips you just heard and the sound I just described to you. Now, with that said, it does offer at the end four-inch, huge, polished stainless steel tips, which are extremely attractive coming out the rear end. This thing not only sounds great, but it looks good while doing so on your Mustang. In my personal experience, I have had the Borla Stinger S-Type on my own '95 Cobra, it sounded absolutely incredible. I had it paired up with an off-road X-pipe, as well as some long tubes from BBK, and the thing just paired together great. I've had nothing but good things to say about it. I would definitely recommend it. You'd probably expect this to have a pretty high price tag, but honestly that's not the case. You can pick up the Borla Stinger for just about $650, which in my opinion is pretty affordable compared to some of the other options out there. Now, to kind of give you an idea of the different sounds Borla offers, the Touring edition, which does have a more involved muffler system, as opposed to the bullet style here, will run you about $1,000 for the more mellow sound. This one is in the middle, so if you're going for the raspiest of the rasp to wake those neighbors, the Borla ATAK runs about $800. The installation is extremely straightforward. It will be a direct bolt-on swap. I'd say have a ratchet and socket set on deck, as well as a jack and jack stands, or a lift if you have access to one. Give yourself an hour or so in the driveway or garage at home, and I would definitely give this one out of three wrenches on our difficulty meter. The first thing you want to do is get your Mustang in the air and support it on jack stands, or on a lift if you have access to one. Use a ratchet and socket set to unclamp your mufflers or your axle-back from the over-axle pipes, and pull them out of the hangers and set them aside. Use the ratchet and socket set to also unbolt the flanges from the over-axle pipe to the mid-pipe, pull those over the axles, and set those aside as well. Just a little tip here to help you along your way. If you find that the bolts are pretty rusted on after a couple of years of being on the road, you might want to have a can of PB Blaster on deck to kind of loosen things up and help you get those out a little bit easier. The Borla over-axle pipes will go right onto your factory mid-pipes and tighten down using the hardware provided, and the new Borla mufflers and tips will go right into the factory hangers and isolators, and clamp right over to the over-axle pipes. So if you're the owner of an '05 to '09 Mustang GT, you might want to check out the Borla Stinger S-Type cat-back exhaust, available right here at

      Product Information

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


      • Aggressive Throaty Exhaust Note
      • "S-Type" Stinger Mufflers Included
      • 2.5" Mandrel-Bent Stainless Steel Tubing
      • 4" Polished 304 Stainless Steel Tips
      • Fits 2005 to 2009 GT and Bullitt Mustangs


      High Flow Exhaust. Borla engineers have designed this cat-back to deliver a significant increase in airflow over the restrictive stock exhaust system for a dramatic increase in horsepower and a louder sound.

      Aggressive Stinger Sound. The aggressive sound of the Borla Axle-Back comes from their signature "S-Type" Stinger Mufflers. The Stinger Mufflers are manufactured from aircraft-quality T-304 stainless steel and feature a Straight-through baffled design to produce an aggressive muscle car sound.

      Durable Borla Construction. The S-Type Cat-Back a.k.a "Stinger" system is made from mandrel-bent 2.5" aerospace-grade austenitic stainless steel, and features 4" brightly polished tips for a super-aggressive appearance. This system also features Borla's popular "S-Type" mufflers for an equally aggressive sound.

      Application. Designed as a direct bolt on, this Borla Stinger S-Type catback will bolt straight up to the factory Mid-Pipe without any modifications required on the 2005 to 2009 GT and Bullitt Mustangs to give your Pony a rich muscle car sound.

      Technical Note. Americanmuscle recommends adding the 2005+ Mustang 304 Stainless Steel Exhaust Hanger Kit from the drop down option above, to provide more strength, stability and a cleaner installed appearance. If you have a 2007 Mustang you may need the kit for correct installation.

      Fitment: 2005 2006 2007 2008 2009 Details

      MPN# 140135

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (45)

      Write a Review

      Ratings Summary

      4.6 out of 5 overall rating from 45 customers

      Installation Time: Afternoon

      Installation Cost: $100-$250

      • February 28, 2020

        4 2005 GT - fix737 Installation Time: Afternoon

        Not too loud, not too quiet

        I purchased this to give my car a deep hum that you can feel in your chest and boy did it do that. I installed in in my 2005 GT in about 3 hours on my back in the garage with jack stands. Good: -medium sound (despite being advertised as super loud it is the s-type so that’s the quieter version) -strong quality -big exhaust tips that shine - who wouldn’t want a boost in 15 hp Bad: - highly recommend buying new exhaust clamps Due to slight fitting issue - slight drone in 4th and 5th gear around 2.5k rpms

        Helpful (0)
      • February 10, 2020

        5 2007 GT - blpeters Installation Time: Shop Install

        Very satisfied

        Found this via the YouTube review videos, and after comparing felt it was likely what I was looking for. And that was super right. The level of sound is perfect; deep and loud but not obnoxious. Even happier than I expected to be.

        Helpful (0)
      • September 09, 2019

        5 2008 GT - Nick Installation Time: Less than 1 Hour

        Better than the rest

        I wanted an exhaust that was loud but not crazy loud. This exhaust gets loud after 3000 rpm and really loud after 4000 and really really loud after 5000. At normal driving 2000-3000 rpm it's 100 better than stock. It's not annoying and has a nice rumble. Crazy cool gurgles and pops when letting off the gas. I couldn't be more pleased.

        Helpful (1)
      • August 05, 2019

        3 2009 GT - MustangMark Installation Time: Afternoon

        Nice fit and finish

        The fit and finish are perfect. Sounds great when on the gas hard. Not happy about the drone when it 5th gear around 2000 rpms. that is 60- 65 mph. drop it down to 4th gear 2500 - 3000 rpms and it goes away.

        Helpful (0)
      • July 28, 2019

        5 2005 GT - DirtyDanTime Installation Time: Afternoon

        Great exhaust for the money

        Install was fairly easy and clearances were good. Sounds amazing! Highly suggest the exhaust to anyone looking for something more aggressive that won’t make your neighbors hate you too much.

        Helpful (0)
      • June 03, 2019

        5 2008 GT - 08stangman Installation Time: Afternoon

        Sounds awesome!

        Awesome exhaust sound if you wanted some with a nice rumble when you hit the gas with being to obnoxious. Only makes a popping noiseif used with out cats when fully reving at idle. I would definently recommend this!

        Helpful (0)
      • April 29, 2019

        5 2006 GT - JimBing Installation Time: Afternoon

        Quality Product!

        My first upgrades were intake and exhaust for my 2006 GT. I reviewed AM’s Top Three exhaust and was convinced to purchase the Borla Type S Cat Back. This was the best decision with no regrets! Easy I install in my garage and best of all-Wife Approved! Sounds terrific without being obnoxiously loud, and quality exhaust note will turn heads!

        Helpful (0)
      • January 08, 2019

        5 2007 GT - JeffreyK Installation Time: Less than 1 Hour

        A True Muscle Car Sound.

        I purchased this catback to be paired with kooks 1-7/8 long tube headers and 3x2.5in off road mid pipe and the sound is perfect. A nice deep growl that isn't overwhelming while driving but when you step on it I guarantee that people will be looking. Even at cruising speeds, people look to see what they hear. Put it on in my garage in about an hour or so. It was these or the Borla ataks or Roush extremes and I am happy I chose the stingers.

        Helpful (3)
      • December 12, 2018

        5 2005 GT - Andrew Installation Time: Less than 1 Hour

        Best Catback Out There

        Borla has always been known for top quality products and this is one of them! For a shiny penny your getting your moneys worth? As far as sound goes, it makes your stang break necks! Definitely would recommend

        Helpful (4)
      • December 03, 2018

        5 2007 GT - DavidG Installation Time: Less than 1 Hour

        Cat-Back exhaust

        Very easy to install a little bit of a drone but not too bad you can still listen to your radio

        Helpful (3)

      Questions & Answers (13 answers)

      5 Top Rated Questions

      Is a new tune recommended or required after this install?

      • A new tune would not be required for the Borla Stinger S-Type Cat-Back Exhaust.

      Helpful (3)

      What horsepower gains should I expect to see?

      • The Borla Stinger S-Type Cat-Back Exhaust will typically provide gains of 5-10hp.

      Helpful (2)

      Hi, What are the dimensions of the box it comes shipped in? Thanks

      • The dimensions are 44 x 21 x 11 (L x W x H)

      Helpful (1)

      Do you know If this would be within law in CA? Vehicle Code 21750. Adequate muffler required 27150. (a) Every motor vehicle subject to registration shall at all times be equipped with an adequate muffler in constant operation and properly maintained to prevent any excessive or unusual noise, and no muffler or exhaust system shall be equipped with a cutout, bypass, or similar device. Vehicle Code 27151. Modification of exhaust systems (a) No person shall modify the exhaust system of a motor vehicle in a manner which will amplify or increase the noise emitted by the motor of the vehicle so that the vehicle is not in compliance with the provisions of Section 27150 or exceeds the noise limits established for the type of vehicle in Article 2.5 (commencing with Section 27200). No person shall operate a motor vehicle with an exhaust system so modified. (b) For the purposes of exhaust systems installed on motor vehicles with a manufacturer’s gross vehicle weight rating of less than 6,000 pounds, other than motorcycles, a sound level of 95 dbA or less, when tested in accordance with Society of Automotive Engineers Standard J1169 May 1998, complies with this section. Motor vehicle exhaust systems or parts thereof include, but are not limited to, nonoriginal exhaust equipment. In summary, all cars and other motor vehicles in California must be equipped with a muffler, and any exhaust modifications must not be designed to increase the exhaust noise above 95 dbA. There are additional regulations as well so we recommend reviewing the California Vehicle Code for important sections related to exhaust noise levels. For example Section 2115.3 prohibits installing “whistle-tip” or similar devices which emit a high pitched or shrieking noise when the vehicle is in operation. Furthermore certain vehicles can get special exemptions from these laws while participating in an organized racing or competitive events (27150.c). Additionally motorcycle exhaust noise levels depend on the year of manufacture, where motorcycles manufactured before 1970 can have up to 92 dbA, and after 1985 up to 80 dbA (full table in Section 27202 in Article 2.5 linked below).

      • We do not have decibel ratings to provide regarding California drive-by noise legality.

      Helpful (0)

      Hi, so I already got this exhaust on my 07 GT and was wondering what a good set up option might be for adding long tubes and X pipe with direct fitment. I see so many options you guys have on site and not even sure what I should be looking at lol. Any feed back would be much appreciated thank you!

      • As you stated we do have many options for headers and X-pipes. If you are not sure exactly what to get please give us a call in to go over the options.

      Helpful (0)
      Post Your Question
      8 More Questions
      would this fit on w my pypes off-road xpipe ? 1 answer
      Could I use these on my mustang v6 by converting it to a dual system? 1 answer
      Can I connect a x pipe extension to this? 1 answer
      Any way to convert my axle back to cat back? 1 answer
      I have a 2007 Roush stage 1. I was wondering if I could use the Roush tips I have I read of this, and will it change the tone of sound? If not what exhaust do you recommend? 1 answer
      Does this exhaust have a deeper tone then the atak set up? 1 answer
      Hi will this fit on a V6 after I get a true dual conversion x pipe? I wouldn't see a reason why it wouldn't aslong as I convert it from a single exhaust to a dual. 1 answer
      Borla part number 140135? I've been researching different exhaust systems for my 2008 GT and really like the sound of this catback setup. After researching on Borla's website and shopping around, I was wondering if this is the same setup as Borla's part number 140135 that is listed on their website? Thanks! 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      Hardware included:
      • (4) exhaust band clamps.

      Tech Specs

      Cat-Back Exhaust Specifications
      Piping Material: Stainless Steel Tip Material : Polished Stainless Steel
      Piping Size: 2.5" Tip Size: 4"
      Muffler Type: Straight-through Fitment: 2005-2009 GT Mustangs

      Will It Fit My Mustang

      • Bullitt - 08, 09
      • GT - 05, 06, 07, 08, 09

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