Talk to a Mustang Expert
Mon-Thu 8:30a-11p, Fri-Sun 8:30a-9p

Free Shipping on Everything. Seriously. Details

Borla Stinger S-Type Cat-Back Exhaust (99-04 GT, Mach 1)

100+ Reviews
Our Price


  • Item #29003
  • MPN# 140067

  • Market Price $703.99
  • You Save 11% ($75.00)
In Stock Ships same business day. Choose options to add to cart
Free Shipping on Everything
Customer Photos
  • Aggressive Exhaust Note
  • Increases Horsepower
  • Bolt-On Installation
  • Durable Stainless Steel Construction
  • S-Type Mufflers Included
  • 4" Polished Tips
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 power and sound.

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 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 to be a direct bolt on, this Borla Stinger S-Type catback will bolt straight up to the factory Mid-Pipe without any extra modifications required on the 1999-2004 GT, 2001 Bullitt, and 2003-2004 Mach 1 Mustang to give your Pony a rich muscle car sound.

Fitment: 1999 2000 2001 2002 2003 2004 Details

What's in the Box
Hardware included:
  • (1) Right muffler assembly
  • (1) Left muffler assembly
  • (1) Right tailpipe assembly
  • (1) Left tailpipe assembly
  • (2) 2-1/2" clamps
  • (2) 2-1/4" clamps
  • (2) Flared front pipe & flange adapters
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: 1999-2004 GT / Mach 1 / Bullitt Mustangs
Will it fit my Mustang?
  • Bullitt - 01
  • Mach 1 - 03, 04
  • GT - 99, 00, 01, 02, 03, 04

Fits GT, Mach 1, and Bullitt

Most Helpful Reviews

Best Catback

Got this catback on my 04 GT and its just plain awesome. I didnt know what catback to get it was so hard to get one i looked at every other brand but in the end Borla is the way to go..this catback is ...

Read More
Helpful (45)

Borla Stinger S-Type Catback

I have been looking for an exhaust catback for over 3 years. over this period of time I looked at every single exhaust and studied and listened to them all. It was one of the hardest decision I have been ...

Read More
Helpful (25)

Read All 100+ Reviews
Overall Rating 4.9 out of 5 stars

Customer Photos (53) View All Photos

You Might Also Like

11 Questions / 7 Answers

Ask a Question

will this fit my 00' mustang v6? i have a 2000 mustang v6 i was wondering would this fit it


  • As a direct bolt on, no this will not fit your 2000 V6. However, if you couple the GT catback with the V6 dual exhaust adapter kit, attached below, you will be able to install both without any problems!


    Good Answer (3) (0)

Show 1 more answer Question Resolved

Can this somehow fit my 97 gt? With some time of alterations, can this fit my 1997 Mustang gt? I love the sound and want nothing other than borla.


  • Yes. Take this awesome system to a shop who has experience with exhaust fab work and welding. A Mustang shop or a speed shop in your area will have no problems finding appropriate hanger locations to mount the system.


    Good Answer (2) (0)

Show 1 more answer Answer This Question I need this answered (1) (0)

Loudness? How do these compare with the slp loudmouth catback, because I want to get the loudest and the sound clips are all pretty close.


  • I wouldn't invest much in the sound clips. When i got my SLP Loudmouth and installed it on my 04 GT it sounded nothing like it, the clips likely have modified midpipes,headers, or both. In my opinion, the SLP might be a little louder but also not as smooth. I believe that the Borla provides the best sound. If you want good sound and truly want to do it right, do the headers and midpipe as well, not just the catback, this will give you best sound and performance.


    Good Answer (3) (0)

Show 2 more answers Question Resolved

More Products You Might Like

Customer Reviews (100+) Write a Review

Overall Rating 4.9

out of 5 stars

  • 5/5

    August 10, 2009

    Best Catback

    Got this catback on my 04 GT and its just plain awesome. I didnt know what catback to get it was so hard to get one i looked at every other brand but in the end Borla is the way to go..this catback is stainless steel and it comes with borla's million mile warranty so you know its going to outlast every other cat back. The sound is how a V8 muscle car should sound..not obnoxiously loud or raspy like a fart can muffler and not too low its got the perfect roar to it..of course will sound better if you add an aftermarket midipe as well..If you dont know which way to go id definetly take the borla route. you wont be disappointed!

    Tony T

    Year: 2004 Model: GT

    Helpful (45) (0)

  • 5/5

    January 08, 2011

    Borla Stinger S-Type Catback

    I have been looking for an exhaust catback for over 3 years. over this period of time I looked at every single exhaust and studied and listened to them all. It was one of the hardest decision I have been faced with. But in the end, Borla topped them all. I listened to all the sound clips of it and i just want to say that Borla sounds sooo much better in person then through speakers. sound will get distorted through speakers. If you are struggling to pick an exhaust, go for Borla. You wont be disappointed. They look sick too!! I could honestly say I was more happy to get my Borla exhaust then the mustang GT itself. There is only one drawback thow, your neighbors will hate you, But who cares about that, there just jealous. I highly recommend the Borla Stingers S-Type Catback!!!

    Alex P

    Driving Style: Daily Driver

    Helpful (25) (2)

  • 5/5

    November 28, 2009

    Borla Stinger S-Type Cat-Back Exhaust

    I just purchased and installed the Borla Stinger S-Type Cat-Back Exhaust system on my 2001 Bullitt # 3807. I could not be happier with the outcome. Installation was simple and not cutting or welding required. The Stingers are all bolt on and are a simple installation. However I did have access to a hydraulic lift at the Fort Sam Houston Auto Craft Shop. Although, I did had to cut the stock exhaust to maneuver it out though. The sound is incredible! It provides a deep bass sound with a tough growl. There is no highway drone either. At high speeds it quiets down, but in 1st, 2nd , and 3rd gears it sounds it sounds very tough and intimidating. I highly recommend the Borla Stinger S-Type Cat-Back Exhaust system!!!

    Jake P

    Year: 2001

    Helpful (19) (1)

  • 5/5

    July 10, 2010

    Great Exhaust

    Just got these mounted up yesterday with a Magnaflow X-pipe with cats. What a great sound. Not raspy at all as some told me before buying. If your thinking of getting these quit listening to all the haters because of the price tag and just do it!


    Helpful (14) (0)

  • 5/5

    November 22, 2009

    Great Product

    Borla hit the nail on the head when they made this catback. Very nice system, that not only sounds incredable...but also looks good too. The rolled tips make a huge difference in appearence. I still remember the day we had it installed on our 03 GT and the guy fired up the car...My wife and I were in the waiting room and we both looked at eachother and she asked me if that was our car. In other want something that'll turn heads, then buy this system...Thanks Borla and American Muscle!

    Steven Woertink

    Year: 2003 Model: GT

    Helpful (21) (3)

  • 5/5

    February 17, 2010

    Borla cat-back

    Instructions said install time is 3 hours-my wife and I got it done in just about that time. Had a few minor glitches interpreting the directions, but overall, it was fairly simple. Have had the Borlas on for a week and immediately noticed more torque/horsepower. A little loud on the low-end or at rapid acceleration, but we've gotten used to it and it does turn heads. No excess noise at cruising speeds. Nice, deep rumble when you want it.


    Helpful (12) (0)

  • 5/5

    June 27, 2009


    Helpful (11) (0)

  • 5/5

    August 15, 2010


    i installed the stingers on my 02 gt with an off road midpipe and long tube headers. when i first fired it up i walked back inside and my wife asked if i chased down that loud truck that blew by and i had to tell her no that was the car backing out of the driveway. GREAT exhaust!

    chris clardy

    Year: 2002 Model: GT

    Helpful (12) (1)

  • 5/5

    Installation Time: Less than 1 Hour

    October 01, 2011

    I am a Master Certified Technician for 30 years and rate this product with an A+

    Today I would like to focus on American Muscle's customer service. I felt I received exceptional go beyond the norm results in replacement of a part shipped to me that was missing parts. My son was home from college for the weekend. We had planned a Father and Son project where we were going to replace the exhaust system on his Mustang GT. Upon opening the box, it became apparent that many parts were missing. This also happened to be a holiday weekend. When I contacted the customer service department and explained my situation, they informed me that they were unable to get a replacement shipment to me until the following Monday. At this point I had no choice but to send the parts back and figure out another time to do this with my Son. My Son was extremely disappointed and figured he would have to wait another term at college for this to happen. Shortly after hanging up the phone with the gentlemen trying to help me, I received a call back. This was amazing to me as I had not left a number and considered the matter done. When I picked up the phone it was the same gentlemen calling back to tell me that he had also done projects with his Son and did not want to be the person to ruin that opportunity for us. They arranged for me to receive an overnight air freight shipment to replace my order and issued a call tag for the other. I was able to complete my project with my Son and needless to say he was thrilled with both me and the Company's response. I must say this Company has a customer for life. Great way to go!!!!! Jeff Clark


    Year: 2003 Model: GT Driving Style: Daily Driver 'Stangs I have owned: 2 Lewiston

    Helpful (9) (0)

  • 5/5

    August 15, 2009

    Wont disappoint

    This exhaust is tame at idle (except first thing in the morning when you fire up your Mustang), but the moment you hit the throttle be ready to turn heads. Get used to attention if you install this exhaust. This is the way a Mustang GT was meant to sound. I'm running BBK Shorty header and BBK Hi-Flo catted X-Pipe plus a laundry list of other mods. Flat out the best exhaust you can buy for the Mustang GT. The tips look amazing as well. I get compliments from men and women alike. ( More so from the Ladies)

    Jeremy O

    Helpful (13) (2)

Related Mustang Categories