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MAC Off-Road Pro Chamber Mid Pipe (11-14 V6)

Market Price $546.20 You Save 13% ($71.25)
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  • Item 100661
  • MPN# PC2126

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Features & Details

  • Improves Exhaust Flow for More Power
  • Unique Pro Chamber Crossover Design
  • Intended for Off-Road, Track Use
  • 2.5" Mandrel-Bent Stainless Steel Tubing
  • For Use with Stock Manifolds or Shorty Headers
  • Fits 2011-2014 V6 Mustangs
Increase Exhaust Flow. Get rid of those power robbing factory catalytic converters and uncork your V6 Mustangs hidden power with a MAC Performance Off-road Mid-Pipe. Featuring their exclusive Pro Chamber style crossover and free-flowing mandrel-bent piping, this high performance Mid Pipe will dramatically improve exhaust flow for more horsepower and torque.

Aggressive Muscle Car Rumble. This free flowing MAC off-road Mid Pipe not only increases the horsepower and torque of your V6 Mustang, but with its unique Pro Chamber cross over design it adds a more aggressive muscle car rumble to the sound of your exhaust, that the standard H-Pipe just can't match.

High Quality Construction. Constructed from durable 2.5" diameter stainless steel tubing, this MAC Performance mid pipe is CNC mandrel bent to ensure maximum exhaust flow, so there are no kinks to rob you of power.

Application. This MAC Performance Pro Chamber Off-road Mid-pipe is designed as a direct bolt-on for the 2011-2014 3.7L V6 Mustangs with either aftermarket short tube headers or the factory manifolds installed. Intended for off-road, track use only, does not include catalytic converters.

Please Note. Stock 2011 V6 Mustangs come stock with a Mid Pipe that resembles both the H-Pipe and X-Pipe designs. This hybrid Mid Pipe was created by Ford to help add additional power and sound to the V6 straight out of the factory. This MAC aftermarket Mid Pipe will further help you reach maximum air-flow equaling additional power.

Fitment: 2011 2012 2013 2014 Details

What's in the Box
  • (1) Off-road Mid-pipe
  • (2) Down pipes
  • (2) Clamps
Installation Info
Tech Specs
Mid Pipe Specifications
Style Mid Pipe: Standard Type Headers Required: Shorty or Stock Manifolds
Piping Material: Stainless Steel Piping Size: 2.5"
Catalytic Converter: "No" - For off-road use only Fitment: 2011-2014 V6
Will it fit my Mustang?
  • V6 - 11, 12, 13, 14

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Most Helpful Reviews

Raspy after 2,500

I had a 2013 with Roush ABs, CAI, and BBK Shorties and it sounded like perfect artificial 5.0. Simply, I was looking for more volume. The mid pipe itself is average. If you're looking for stupid loud with ...

Read More
Helpful (1)

Didn't fit

I ordered it and I took it to a shop and they said that it's the wrong so yeah not satisfied.

Helpful (1)

Overall Rating 3.8 out of 5 stars
Read All 5 Reviews

Customer Photos (2) Submit Your Photo

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12 Questions / 4 Answers

Ask a Question

I have a 14 mustang automatic I am looking for a more deep sound without rasp, I have the touring axle backs on it now and want to add bbk shortys and this h pipe, will this make it less loud then the s type borla or louder? Also will I need anything else if I ordered these with my tourings I have now


Assuming I have a bone stock '13 3.7, what will be the difference in terms of volume and tone between adding an H-Pipe or the MAC Pro Chamber Pipe?


Hi AM, What exactly is the difference between Pro Chamber and an H-Pipe? Thanks.


  • The difference is that the H-pipe connects the right and left exhaust pipes with a single pipe. The Pro Chamber connects it with an actual chamber that will not only increase the after header sound but will increase the amount of flow to exit.


Helpful (0)

Hi AM, I have a 2013 V6 with Roush ABs CAI, along with BBK Shorties. To keep the car legal, I plan to add Pypes High Flow Metallic Cats with this mid-pipe. Am I able to do that? Will this mid pipe bolt right up onto my BBK shorties? What changes will I notice in terms of volume and tone? Thanks!


  • We highly recommend staying with the same brand of mid-pipe as the headers due to differences in manufacturing tolerances which may skew installation. Using this MAC Off-Road Pro Chamber Mid Pipe will bolt up to stock and most aftermarket shorty headers, but again due to tolerances in manufacturing exhaust alignment may be skewed. Adding catalytic converters will help pass inspection in most states, however, we would recommend speaking with your local official inspection station for exact state specifications. The exhaust is slightly larger, so you will be able to flow more volume while producing a more aggressive muscle car rumble to the sound of your exhaust.


Helpful (0)

How raspy is this mid pipe?


  • This mid pipe is going to be a little bit on the raspy side, but it will not be anything to out of hand. It will also depend on what other exhaust components you are pairing this with. Different mufflers can drastically change the sound.


Helpful (0)

Do i neec to buy anything else with these?


  • Not necessarily. In terms of install and functionality nothing else is needed, however since this product is deleting your catalytic converters, you're going to have a pesky check-engine light pop up. This can be turned off with any form of custom tune and if you don't have a tuner you can, for example, purchase our BAMA tuner to achieve this as well.


Helpful (0)

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Customer Reviews (5) Write a Review

Overall Rating 3.8

out of 5 stars

Installation Time:Less than 1 Hour

  • Loudness / Volume 4.8 4.8
  • Exhaust Note 4 4
  • Fit & Finish 3.4 3.4
  • Bang For Your Buck 3.8 3.8

  • 2/5

    Installation Time: Less than 1 Hour

    May 28, 2017

    Raspy after 2,500

    I had a 2013 with Roush ABs, CAI, and BBK Shorties and it sounded like perfect artificial 5.0. Simply, I was looking for more volume. The mid pipe itself is average. If you're looking for stupid loud with lots a rasp, this is it. I live in NYC and I can't even go pass 3,000 because it's just pure rasp. There is no "Agressive Muscle Car Rumble" pass 2,500. In my opinion, if you want to keep your throaty tone and moderately volumed V6 and is looking to increase both, don't buy this and look into some high-flow cats and/or resonators from your local shop to install onto the stock pipe. My guy charged me 90 and took into the stock pipe for 70. I hope he still has it because I'm planning to go back.


    Year: 2013 Submodel: V6

    Helpful (1)

  • 2/5

    Installation Time: Less than 1 Hour

    February 21, 2017

    Didn't fit

    I ordered it and I took it to a shop and they said that it's the wrong so yeah not satisfied.


    Year: 2013 Submodel: V6

    Helpful (1)

  • 5/5

    Installation Time: Afternoon

    July 20, 2015


    Prior to install, the sound on my 2012 V6 Premium Mustang with an Airaid Cold air intake, bama tune, and Borla ATAK Exhaust was decent. It had a loud high note when you laid on it but not very deep. With this install I was mainly looking for a deeper sound, and boy did I get it and more! This Mid-Pipe is crazy, my mustang sounds like an entirely different mustang! If you have a Borla ATAK Exhaust on, it is going to be at least twice as loud with this pipe when you get over 3-4k RPMs! It has a very loud bark, and sounds brutal when you lay on it. With my setup I do notice drone over 2k when im on the highway though. Its a manageable drone, but fair warning there is definitely some. My favorite part about the mid pipe is the deepness to the growl while it idles. Much lower note, and was exactly what I wanted in that regard! If your looking for a head turning part, that will really wake up your mustang this is definitely the one! I was told by others to get an X-Pipe but I was very glad I didn't because this midpipe does more than plenty!


    Year: 2012 Submodel: V6 Sudbury, MA

    Helpful (1)

  • 5/5

    Installation Time: Less than 1 Hour

    June 24, 2015

    More than i expected

    I absolutely love this its everything i was looking for and more. I qould highly recomend it. Wish i would have gotten it sooner


    Year: 2011 Submodel: V6 Cheyenne WY

    Helpful (1)

  • 5/5

    Installation Time: Afternoon

    June 28, 2014

    Mac off road pro chamber

    This mid pipe is quite the beast. It comes all shined up in the box. Weighs 23 pounds. Install took less than 4 hours with 2 people and about 1 1/2 foot of extensions. The box hangs down about 2 inches lower so watch out for speed bumps and driveways. Now for the tone. I have flowmaster 40 series welded in for my axlebacks, which are already raspy. If you putt putt around town under 2500 rpm it sounds the same as if you had cats. If you get on it, it'll wail. A lot of off road pipes have a harsh rasp at 3000 rpm. As does this one, yet, it's not as bad. It's deeper, has more bass, and more power than the H. I highly recommend this mid pipe because it still sounds like a stock setup until under heavy throttle. Very sleeper like. The bass on startup will shake your chest.


    Year: 2011 Submodel: V6

    Helpful (1)

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