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Borla Stinger S-Type Axle-Back Exhaust (05-09 GT, 07-09 GT500)

74 Reviews
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  • Item #29001
  • MPN# 11750

  • Market Price $584.99
  • You Save 17% ($98.00)
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  • Aggressive Exhaust Note
  • Dramatic Power Improvements
  • Bolt-On Installation
  • Durable Stainless Steel Construction
  • 4" Polished Tips
  • Fits 05-09 GTs and 07-09 GT500s

High Flow Exhaust.  Borla engineers have designed this axle-back to deliver a significant increase in airflow from the factory exhaust system for a dramatic power improvement.

Aggressive 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 Construction.   The S-Type Axle-Back a.k.a Stinger is designed to be a direct bolt onto the factory piping, and features Borla's "S-Type" mufflers. This system is made from 2.5" mandrel-bent stainless steel, and features 4" polished tips for a super-aggressive appearance.

Application. The Borla Stinger S-Type Axle-Back is designed to fit the 2005-2009 GTs, 2007-2009 Shelby GT500s and 2008-2009 Bullitt Mustangs.

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

Won't fit? Add an exception

What's in the Box
Hardware included:
  • Left muffler assembly
  • Right muffler assembly
  • (2) 2.5" clamps
Installation Info
Tech Specs
Axleback 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, 2007-2009 GT500 Mustangs
Will it fit my Mustang?
  • Bullitt - 08, 09
  • GT - 05, 06, 07, 08, 09
  • GT500 - 07, 08, 09

Most Helpful Reviews

What an improvement

Keep in mind this install was on a Shelby GT500. First off...I am not a mechanic and this install took me about 1:45 minutes by myself. I installed these on my 2009 Ford Shelby GT500. They weigh half ...

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Helpful (34)

Great Sound!

Exactly the sound I was looking for. Less than an hour to install. No modifications needed. Bolted right on. 4" pipes are sweet looking. Highly recommend this product. Great service from AM as we ...

Read More
Helpful (15)

Read All 74 Reviews
Overall Rating 4.7 out of 5 stars

Customer Photos (28) View All Photos

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Customer Reviews (74) Write a Review

Overall Rating 4.7

out of 5 stars

Installation Time:Afternoon

Installation Cost:0-$100

  • Loudness / Volume 4.512821 4.5
  • Exhaust Note 4.615385 4.6
  • Fit & Finish 4.717949 4.7
  • Bang For Your Buck 4.333333 4.3

  • 5/5

    February 23, 2010

    What an improvement

    Keep in mind this install was on a Shelby GT500. First off...I am not a mechanic and this install took me about 1:45 minutes by myself. I installed these on my 2009 Ford Shelby GT500. They weigh half of what the stock mufflers weigh. Weight for the Borla set is about 25 lbs. Stocks are about 50 lbs. Removing the stocks was the hardest part because they are so darned big and it was hard to get to all the 13mm bolts. The right muffler was the easiest. The left was a little harder because of the position of the bolts. The right side has 4 bolts and one clamp with a 15mm bolt. The left side has the same clamp and 5 13mm bolts. I believe the instructions are for a GT so that is why there are differences. I uninstalled and installed one side at a time. The stock hangers lined up just fine with the muffler hangers. I thought I had a problem when I performed the last step which was to tighten the clamp. Once I tightened it, I noticed the stock pipes going into the Borlas were still loose. I loosened the clamp and pushed it out to the end where the two pipes overlapped and tightened it down again (there is like a little nipple near the end of the stock pipes that needs to butt up against the Borlas...push the clamp up against this nipple and then tighten it down). Once I tightened it down there was not any looseness that I could detect. I cleaned things up, cranked her up and about chit myself. When the car cranked up it roared to life and then settled down again at idle. I took her down the interstate and drove at various speeds and RPMs. Personally I didn't notice the drone that many people mention unless they are talking about the rumble it lets out when you take your foot off the gas. I bought these at another website for $453 and am very happy with them. I do shop here at, but hey, if you can find the same thing for about $100 cheaper, I'm sure AM would understand. I would purchase these sweet orbs of rolling thunder all over again. Great addition to the 2009 Ford Shelby GT500 Cobra. The only tools I needed for the uninstall and install were 13mm and 15mm socket and rachet deep well and a 13mm and 15mm box wrench. It helps when installing these by yourself to position the Borlas in place and start inserting the 13mm bolts by hand. They will hold the Borla in place for you while you tighten the hanger.


    Year: 2009 Model: GT

    Helpful (34) (0)

  • 5/5

    April 18, 2010

    Great Sound!

    Exactly the sound I was looking for. Less than an hour to install. No modifications needed. Bolted right on. 4" pipes are sweet looking. Highly recommend this product. Great service from AM as well!

    Mike C.

    Helpful (15) (0)

  • 5/5

    May 24, 2009


    These fill the notches in the bumper beautifully and make the car look and sound like a beast, 4 inch tips are the only way to go in my opinion. Install only took about an hour and was 100% worth it. I turn heads everywhere I go with these.


    Helpful (16) (1)

  • 5/5

    September 01, 2009

    Unique Sound

    I've owned several mustangs in the past and had a variety of exhaust systems. While I love the sound of Flowmasters and Macs, I wanted something unique and a little more refined sounding. These are pricey, but worth every penny. I've matched them with a Magnaflow TruX with cats on my 07 GT and they sound amazing. They have a very refined, yet powerful tone, especially when you nose in the throttle. If you're not sure about this system, check out some of the vids on youtube. Search Mustang Borla exhaust. You won't regret purchasing these. The tone is, without question, incredible.


    Year: 2007 Model: GT

    Helpful (11) (0)

  • 5/5

    Installation Time: Less than 1 Hour

    November 12, 2011

    Beautiful sound, beautifully made, wonderful product!

    I've been through a few different exhaust systems on my 2008 GT. Flowmaster American Thunders, SLP Loudmouths, Pypes Bombs, and finally, the Borla Stingers. Honestly, this is the sound I have been hunting for the entire time. They have a beautiful shape to the sound, they are loud, but never just noise. They have a beautiful tone through all ranges. I have BBK Longtube headers, Off Road X-pipe, and these axlebacks are so smooth sounding and everything about them is just gorgeous, from the sound to the finish and fit. Every other system I have had sounded good at one range or another, these babies sound amazing throught the entire RPM band, whether I am idling, or cruising, or flooring it. Highly recommend them! They are one of the more expensive options but definitely the best!


    Year: 2008 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2 Oklahoma

    Helpful (7) (0)

  • 5/5

    Installation Time: Shop Install

    September 18, 2011

    Wow. This product is awsome!

    I purchased this exhaust after reading other reviews. I am very pleased to say I recommend these to anyone with a S197. They have a a great tone and you can feel a slight gain of horse power. I think mainly because they are so much lighter then the stock ones. Great job AM!


    Year: 2008 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 1 AZ

    Helpful (7) (1)

  • 5/5

    June 24, 2010

    good system

    i love these borla stingers. im not very mechanical but i installed these myself with my dad and my friend james(kudos being my pipe jack) it was easy and they sound great. quiet at first but after they broke in very deep and a nice growl. american muscle has easy service and fast shipping definately order this system from them.


    Helpful (4) (0)

  • 5/5

    November 08, 2010

    Perfect fit on 2009 GT500

    Fits perfectly on the GT500 Cobra. Sounds fantastic, especially in the low rpm range. Love the look of the 4 inch outputs, very boss. Much easier to install than to remove stock mufflers since there's a lot more room to work with the smaller Borla's. Reused the mounting hardware from the stock mufflers and Borla sends along two clamps for attaching mufflers to the pipes. Didn't need (or order) the extra mounting hardware kit. Took me about 2-2.5 hours to install. Really glad I had 13 and 15 mm ratchet wrenches as well as the sockets.


    Year: 2009 Model: GT Driving Style: Show

    Helpful (3) (0)

  • 4/5

    October 12, 2009

    Good product

    I bought the FRPP version of the Borla Stingers at a discounted price and for the money I spent (about $480) I'm happy with the product. The mufflers...if you can call them that (they're tiny) are well made and look great on the car. I installed them in less than an hour with no trouble other than the passenger side was angled too low and the support bar had to be bent to raise it up. The idle sounds nice and deep and the neighbors don't object when I drive down the street at low rpm's . Cruising at about 1600 - 1800 rpm (legal highway speed 60 - 65 mph with my stock '07 GT gearing) is where the drone happens. Not horrible mind you but it's there when under a load. The good news is that it's TOTALLY gone by 2000 rpm, like switching off a light. Cruising at 75 is very quiet and comfortable ... unbelievably quiet considering how small the cans are. Accelerating through the gears however produces the sound that we all love... a very serious race car howl. Heads turn in awe, teen age boys drool in envy, women and children run in fear, and older Mustang gearheads like me feel young again. If not for the slight drone I'd give these cans 5 stars.


    Year: 2007 Model: GT

    Helpful (4) (1)

  • 5/5

    July 30, 2011

    Great Sound!

    These were an easy install, and I am incredibly happy with the results. I'm running stock pipes to the cat with the Borla Stinger S axle-back. I was completely impressed with how much better the car looks and sounds. It's very deep, loud, and great sounding exhaust. The installation very simple. The hardest part was getting off the giant stock mufflers. Just make sure you have a few short 13mm sockets to reach in to that area with. I would recommend these to anyone looking to upgrade. They're definitely worth the price.


    Year: 2006 Model: GT Driving Style: Daily Driver

    Helpful (2) (0)

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