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Ford Performance Boss Style H-Pipe and Side Exhaust (11-14 GT)

AmericanMuscle no longer carries the Ford Performance Boss Style H-Pipe and Side Exhaust (11-14 GT). Please check out 2010-2014 Mustang H-Pipes for an updated selection.
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Ford Performance Boss Style H-Pipe and Side Exhaust (11-14 GT)
17 Reviews 18 Answers

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AmericanMuscle no longer carries the Ford Performance Boss Style H-Pipe and Side Exhaust (11-14 GT). Please check out 2010-2014 Mustang H-Pipes for an updated selection.

Features & Details

  • Boss 302 true quad exhaust
  • Distinctive "Trans-Am" racing sound
  • Removable restrictor plates for a louder exhaust note
  • Includes H-pipe, left and right side pipes
  • Fits 2011-2014 Mustang GT

Product Resources

Customer Photos (2) Customer Reviews (17) Questions (11) & Answers (18)
Sound Like A Boss. Give your 5.0L Coyote GT Mustang that distinctive "Trans-Am" racing sound with a Ford Racing Boss 302 side exhaust kit. This Boss Exhaust Kit retains the use of the rear exit factory exhaust while adding Trans-Am style side exhaust pipes for a "true" quad exhaust system. The system is equipped with removable exhaust restrictor plates should a louder side exhaust note be desired.

Reuses Stock Cats. The installation of the Ford Racing Boss 302 Quad Exhaust System does not require any cutting or welding, it just installs in place of the stock H-pipe, using your stock clamps. And best of all it reuses the factory catalytic converters saving you money.

Legendary Ford Racing Quality. When you're adding new parts to your Pony, you can't go wrong by installing parts from the folks that know it best. Ford Racing's legendary quality ensures a perfect fit and years of hassle-free use.

Application. This Ford Racing Boss Style H-pipe and Side Exhaust is a specifically designed for use on the 2011-2014 GT Mustangs equipped with the Coyote 5.0L engine.Technical Note. Can also be used on the 2011-2014 Convertible GT Mustangs when installed with a spacer and longer bolt (not included) to attach the side pipe under the convertible bracing.
What's in the Box
  • (1) H-Pipe
  • (1) Driver Side Exhaust Pipe
  • (1) Passenger Side Exhaust Pipe
  • (1) Hardware Pack
Installation Info
Tech Specs
Mid Pipe Specifications
Style Mid Pipe: "H" Type Headers Required: Shorty or Stock Mainfolds
Piping Material: Stainless Steel Piping Size: 2.75"
Catalytic Converter: Reuses stock Catalytic Converters Fitment: 2011-2014 GT Mustangs

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Questions & Answers (11)

5 Top Rated Questions

Gains? Or just noise? Can I expect any kind of performance gain or feel of gain? Or is this just strictly for noise?

  • One of the Mustang magazines did a comparison on the dyno between the boss style exhaust and stock and showed a peak gain of 6.75 horsepower and 6.44 torque at 5500 rpm. That is with the disc removed. The gain was a bit less with the restictor disc left in. The gains were a bit less at different rpm levels. So, you can expect a small power increase in addition to the great sound.

Helpful (3) Show 1 more answer

would this fit a 2012 gt500?

  • No unfortunately, this will only fit properly on the 2011-2013 GT.

Helpful (1) Show 1 more answer

I have a 2013 GT convertible. what longer bolt do I need and spacer?

  • At this time there is not a kit or spacer made for the Ford Performance Boss Style H-Pipe and Side Exhaust with a convertible. A custom spacer would need to be made in order to install this with a convertible.

Helpful (0)

Able to Lower After Install With this installed is there still enough clearance to lower your GT 1.0" Front, 1.5" Rear or do they hang to low to safely lower your vehicle.

  • You can lower. There's still stuff that sits lower on the car than these tips. No problems lowering the car with this kit on.

Helpful (0) Show 1 more answer

Able to Lower After Install After installing this is there still enough clearance to lower 1/2 to 1 inches?

  • i have long tube headers x pipe and 2 inch lowering springs still have 3.5 inches of clearance

Helpful (0)
Post Your Question
6 More Questions
Restrictor plates? Where are the restrictor plates and how hard is it to remove them? 2 answers
add a catback? Probably a dumb question, but can I put a catback exhaust such as American Thunder in addition to this? In other words is this a side exhaust conversion or is it the side dump exhaust? Thanks 2 answers
Borla Fitment Will the Borla Stinger S-Catback system (minus the x-pipe that comes with it) fit this exhaust pipe? 1 answer
will this fit with long tube headers? im wondering if this will fit with long tube headers and a catted shorty x pipe or if this would be in place of the x pipe? i love the idea of side port exhaust but i was thinking of also doing long tube headers one day 2 answers
Tune Required? Does this change the exhaust pressure to the extent that a tune is required or can this be a simple bolt-on to a stock 2012 5.0? 2 answers
fittment with roush side spliters? would this fit with roush side splitters installed on 13 gt 1 answer

Customer Reviews (17) Write a Review

Overall Rating 5

out of 5 stars

Installation Time:Full Day

Installation Cost:0-$100

  • Loudness / Volume 4.882353 4.9
  • Exhaust Note 4.882353 4.9
  • Fit & Finish 5 5
  • Bang For Your Buck 4.1875 4.2



  • 5/5

    Installation Time: Afternoon

    July 03, 2014

    Awesome, should came with the GT track package.

    Awesome product. Drone at 2k with the restriction removed. Fit and finish is perfect. Be aware your car will only have about 4.5" clearance after installation with stock height.

    CCMustangGT

    Year: 2013 Submodel: GT DFW, TX

    Helpful (3)

  • 5/5

    Installation Time: Afternoon

    July 02, 2014

    awesome

    Sounds awesome. It made the exhaust note a little deeper. I have it with flowmaster supper 44 series and it sounds great. Loud on the cold start but has that deep bubble sound. Sounds great. Easy to install took about 2 hours on jack stands by myself. Overall great buy.

    mattman85

    Year: 2014 Submodel: GT Fort Worth, TX, USA

    Helpful (4)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: 0-$100

    July 01, 2014

    Wow, just wow.

    I ordered this part from American Muscle yesterday, and it was received and installed today. As always, everyone at American Muscle did an excellent job. I chose to have them installed by a local Mavis. I was under the car with them helping out, and making sure that everything was done properly. I was going to have Ford do it, but they were going to charge $240. Mavis charged me $90, and as I said, allowed me to assist. I chose to remove my baffels. I must say, coupled with my GT500 axlebacks, this is quite loud. I'm already getting compliments on the sound. Even customers at the shop were smiling and watching. It has a great, old school growl. On deceleration, it pops in the higher RPMs, and stops popping once you get in lower RPMs. You'll sound like a freight train coming down the road. You will, no doubt, turn heads with this exhaust.

    DavidKyle1986

    Year: 2014 Submodel: GT Long Island, New York, USA

    Helpful (4)

  • 5/5

    Installation Time: Less than 1 Hour

    June 16, 2014

    Awesome sound!

    Excellent Ford Racing piece. Perfect fit and great compliment to my Roush Axlebacks! Plenty of muscular sound adjusted by your right foot! And the price match was awesome as well! Thanks again AM!!

    blucoyote

    Year: 2013 Submodel: GT bassett,va

    Helpful (3)

  • 5/5

    Installation Time: Less than 1 Hour

    April 23, 2014

    I love it

    I installed these easily in less than an hour, on a lift. It was a perfect OEM fit. I didn't struggle with any part of the installation. The sound is striking...no other word comes to mind. I left the restrictor plates out and with otherwise stock exhaust, I am very impressed with the quads. The car seems a lot louder, but I am basically sitting on top of the outlet now. I'm sitting on the Eibach sportline kit and there is plenty of room for these pipes. The fit and quality of these pipes are outstanding...I am very happy with my choice.

    vixr

    Year: 2011 Submodel: GT Florida, USA

    Helpful (4)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $100-$250

    September 04, 2013

    Boss is the Boss

    Coupled this (restrictor plate removed) with a Magnaflow competition axle-back and the overall sound is awesome. When I started the car for the first time the wife grins, leans in the window and says "whatever you paid for this, it's worth every penny". As usual, she is correct. As previously mentioned, it's loud, not for everyone, but man, it's for me....

    WileysDad

    Year: 2011 Submodel: GT central Indiana

    Helpful (4)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: 0-$100

    March 27, 2013

    V-8 Symphony

    As an over 50 old I had a shop do the install since I don't have a lift or the shoulders to muscle it off/on from jackstands. It's fairly loud without the ättenuating discs but the wail emitted when you bury the right foot is just glorious. With the GT500 mufflers out back it just rocks. The only reason I shot it down even a little is the price- it's steep. I know we are all paying for Ford's R&D on this item as I've read the Boss boys spent alot of time getting the sound just right- they succeeded. The tone is just slightly different than my Boss sounds, but is really close. Lovin it!

    Bunkie726

    Year: 2012 Submodel: GT Huntingon Valley, Pa

    Helpful (4)

  • 5/5

    Installation Time: Less than 1 Hour

    January 26, 2013

    Boss Quad Exhaust

    I love this exhaust on my 2013 GT combined with my Borla S-Type axlebacks. It definitely gave it a louder, deeper tone. I also removed the restrictor plates from the side pipes, which really woke it up. Thanks for the price match AM! My only complaint, even after the price match, is the price of the system. It's definitely awesome, but seems overpriced for what you get.

    green2013

    Year: 2013 Submodel: GT

    Helpful (8)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $100-$250

    January 13, 2013

    Absolutely perfect sound!

    I ordered this over the weekend and it was on the car by Friday. That is great service. Many companies say they will ship something out right away. You guys actually do! I had it installed without the restrictor plates, and the sound with the GT 500 mufflers in the rear is like a symphony! I couldn't be happier! Thanks for everything!

    John351

    Year: 2012 Submodel: GT Florida

    Helpful (4)

  • 5/5

    Installation Time: Afternoon

    November 18, 2012

    Perfect Sound!

    Ever since this product was released, I had my eye on it. Now that I have it installed, along with the Roush axleback exhaust, I absolutely love the way my car sounds. It is not as loud as I expected that combo to be. Since the car is a daily driver, I couldn't deal with any drone, or it being obnoxiously loud and I don't have issues with either. I have the baffles removed and plan on keeping it that way. Quality, fit and finish are top notch. The only negative thing in my mind is the price.

    MustangJohnny

    Year: 2011 Submodel: GT Virginia

    Helpful (4)

  • 5/5

    Installation Time: Afternoon

    October 08, 2012

    Awesome!!!

    Installed with QTP electric cutouts & wireless remote...best of both worlds!!! Stock sound when you need to keep the peace, and loud when you want it.

    PPCFlyer

    Year: 2011 Submodel: GT Southern Indiana

    Helpful (6)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: 0-$100

    October 02, 2012

    This is what I want to hear!

    Had a shop do the install with the QTP electric cutouts, but honestly If I had a real workspace I would have done the install myself as it was pretty straight forward (you can do it!) I have a convertible; so I headed off to the hardware store before hitting the shop to purchase the longer bolts that are needed to clear the extra bracing in front of the rear wheels. you will see the tips if your a yard or so away looking from the side of the car, but not when your standing against the vehicle. the cutouts give me the best of both worlds, i can run them unrestricted, as they sound DEEP n Burbly; and glorious at WOT! or close em up, and remain anonymous. (well as anonymous as a suped vert stang can get)They are a lot louder than just having the stock exhaust on the car, but I already had the Roush A/B's on so only a little louder than that. The A/B's and the Side exhuast make for one of the best sounding muscle cars i've ever heard (straight pipes excluded), and they can be quiet unrestricted if you creep around but having electric cutouts makes it easier if your shy sometimes.

    Deadhorse

    Year: 2011 Submodel: GT Bushkill, PA 18324, USA

    Helpful (7)

  • 5/5

    August 31, 2012

    Growl at a Camaro

    I helped my son with the installation and we were finished in a little over an hour. We used a compressor to speed things along. The bolt for the ball clamp will take a 5.5 millimeter socket instead of using the hex head. It will speed things up a lot! Sounds great!

    stangnut2011

    Year: 2011 Submodel: GT Murfreesboro, TN, USA

    Helpful (8)

  • 5/5

    Installation Time: Less than 1 Hour

    August 31, 2012

    best sound for your 5.0

    I didn't buy it through AM, but I wanted to review it here since I highly recommend installing it. It made my coyote sound so good. I was honestly a little disappointed in the stock exhaust note in my '11 GT but this really woke it up. I can't help but keep my foot in it almost all the time, and downshifting to every stop light. I plan on replacing the axleback exhaust soon as well, I'm thinking either GT500, Roush, or Heartthrob muffler delete.

    SamTerry

    Year: 2011 Submodel: GT Mineola, TX 75773, USA

    Helpful (5)

  • 5/5

    Installation Time: Afternoon

    August 25, 2012

    Sounds Great!

    I love this exhaust piece! With Borla Stinger axlebacks and the restrictor plates removed, it has that full-bodied sound that I would expect from a Trans-Am! Installation took an hour thirty minutes (new to this whole modding buisness) and it fit perfectly.

    sdrfghj

    Year: 2013 Submodel: GT

    Helpful (6)

  • 5/5

    Installation Time: Afternoon

    July 24, 2012

    Amazing!

    Just installed the Boss H-Pipe and I absolutely love it. The sound is amazing with the baffles removed. Its not obnoxiously loud at all but it still sounds like you wouldn't want to mess with it. Installation took about 2hrs. Ford put the flanges upside down making it very hard to get to and also I had to use a lift because my car is very low. Once the stock H-pipe comes off its all down hill extremely easy install. I wouldn't recommend this because I want to be the only one with a badass exhaust note ;)

    TomTheBomb

    Year: 2011 Submodel: GT Central Jersey

    Helpful (14)

  • 5/5

    Installation Time: Afternoon

    March 13, 2012

    FANTASTIC GROWL!!!

    As soon as I saw this exhaust, I knew I had to have it on my 2012 GT Vert. My brother and I had it installed in a few hours and it went flawlessly, the only difficult part was getting the correct bolts and spacers to fit the side pipe to the convertible bracing. I chose not to use the baffles either and man, does it give my car that mean growl and crackle paired with my Hushpower A/B. Another fantastic part offered by AM, that's why I don't chose any place else!

    JerryL

    Year: 2012 Submodel: GT

    Helpful (13)

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