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MBRP Black Series Axle-Back Exhaust (18-20 GT w/o Active Exhaust)

Item 403867
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      Review & Installation Video

      Ryan: If you're looking for maximum volume out of an axle-back and really dig the unique look of the black tips, then the Black-Series Axle-Back from MBRP is certainly worth a look. Now, this particular kit is gonna combine an aluminized steel construction with the I10 [SP] black power coat all for around the $400 price tag while the install will involve some light cutting as is the case with any S550. So, we'll give this one a soft two out of three wrenches on the difficulty meter here with a little bit more detail to come on that later in the video. So, the Black-Series is one of the a few different options from the Canadian-based brand and will offer the unique black look over the aluminized steel build. Now, if you're not married to this whole black finished thing and actually wanna save a few bucks, the Pro Series version of the same exact system will deliver better materials with that 304 grade stainless steel, but at the same time will cost you roughly 50 to 60 bucks less while both systems will sound identical. And with that said, let's get into the sound a little bit more here. And as you can see, there is absolutely no muffler insight with the MBRP Axle-Back. And as such, this system will be very, very aggressive even with the factory cats and resonator still in place. So, therefore, I'm gonna go with a robust four out of five on my one to five or one to wake a neighbor scale here. And because that resonator still is in place, the sound is gonna be loud, no doubt, but it's not gonna be distorted or over the top. While inside the car, the sound is definitely enjoyable as well. Now, replace that resonator with an X or an H-pipe down the road and expect that wake a neighbor scale to get pegged as you'll definitely be picking up a lot more volume. But with the sound pretty much covered up, let's get into the materials and construction here at the Black-Series. And as pointed out earlier guys, MBRP does utilize aluminized steel for the build here. And while that material traditionally is not the best one that comes to preventing or reducing corrosion, the inclusion of that black powder coat here will certainly help act as a barrier against the elements, vastly improving the durability of the material. But even still, MBRP will only give you a three-year warranty here on the system along with a one year warranty on that black finish itself. But getting into some of the finer details here with the MBRP muffler delete, you're gonna find a very small amount of two and a half inch mandrel bent tubing all exiting out the quad 4-inch tips, double walled and etched with that MBRP logo. Now, it's certainly a very simple system, but one that fits great. It's gonna utilize the factory hangers and maybe best of all will shed a few pounds compared to those factory cans. But let's get into that fitment a little bit more guys. And again, there is some cutting required here. There's really no getting around that, but it's not nearly as bad as you may think it is. In fact, here is a detailed walkthrough along with a tool breakdown. Man: First thing we're gonna do here is make a mark on our cat-back. That's gonna show us where we need to cut so we can remove the factory axle-backs. So, what we wanna do is find our muffler and come down right after the bend. As soon as the bend stops and you have a section of straight pipe, that's where we wanna cut. I'm gonna go ahead and make a mark here. And we'll do the same thing on this side. You wanna find your bend, right after the bend, you're gonna have a straight piece of pipe and we'll make our cut line right here. We're now ready to cut our factory axle-backs out of here. I got a metal cutting blade on my Sawzall, so let's go ahead and get this guy cut. So, I'm about halfway through the pipe here. I did throw a pole jack up in place here, so when I go all the way through this muffler doesn't come down and hit me on my head. All right. We've got our axle-back cut now. I'm gonna slide the stock muffler out of place. I'm gonna spray the upper hanger with a little bit of WD-40. Should be able to just slide this right on out of our hanger. Next thing we're gonna do is clean up the cut end of the pipe that we just made. I'm gonna be using a die grinder with a carbide tip here. If you guys don't have one of these, a round file or a piece of sandpaper will do just fine. So, now that we got our stock axle-backs out of the way, we can throw our MBRP mufflers up top here. First thing I'm gonna do is slide the hanger into the rubber isolator and then I'm gonna go ahead and slide the end right into our plate here, and put this in till it bottoms on out. And we'll do the same thing on this side. First I'll slide it up into our rubber hanger, slide this in until it bottoms out. I'm gonna tighten this up first before I put the tips on. I have a 15-millimeter socket on my impact gun. And last step here is to put our tips on. I'm gonna just slide this up on into place. I have a five-sixteenths Allen wrench to tighten these up. That's gonna wrap up our review and install. Be sure to check out more at

      Product Information

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


      • Black-Series Axle-Back Exhaust
      • Aluminized Steel Construction
      • Minimum Bend Angle Made on a CNC Mandrel Bender
      • Mellow, Authoritative Exhaust Note
      • Improved Exhaust Flow
      • Better Power and Torque
      • Can Improve Fuel Economy by 1-2 mpg
      • Reduced Fuel Consumption
      • Direct Fit to the OEM Hangers
      • All Hardware Included
      • Made in the USA
      • Intermediate Installation
      • One-Year Finish /Three-Year Limited Warranty
      • Fits All 2018-2020 Ford GT Mustangs Without Active Exhaust


      Unrivaled Design. The MBRP Black-Series Axle-Back Exhaust will provide remarkable improvements to your 2018-2020 Mustang GT without an Active Exhaust. The Axle-Back Exhaust improves exhaust flow while giving you better power and torque. In addition, this design can reduce fuel consumption and improve fuel economy by 1-2 mpg.

      Construction and Design. It's crafted from an aluminized steel construction with minimum bend angle, made on a CNC mandrel bender. This design provides a constant diameter sizing throughout the length of the tubing for maximum air flow.

      Installation. Proudly made in the USA, this exhaust is a direct fit to OEM hangers. For installation ease, quality hardware is included. This intermediate install can be accomplished in approximately 2 hours with an extra set of hands or a hoist, and basic garage tools.

      Warranty. A 1-year finish /3-year limited warranty is provided to cover any defect or flaw that may be found in the materials or craftsmanship of this exhaust.

      Application. The MBRP Black-Series Axle-Back Exhaust fits all 2018-2020 Ford GT Mustangs models without active exhaust.

      Fitment: 2018 2019 2020 Details

      MPN# S7211BLK

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (23)

      Write a Review

      Ratings Summary

      4.7 out of 5 overall rating from 23 customers

      Installation Time: Afternoon

      Installation Cost: $100-$250

      • January 30, 2020

        5 2018 GT - TiffanyH Installation Time: Less than 1 Hour


        Did this install in my buddies garage. Cuts were super easy. Great fitment, and easy install! Sounds soooo good and deep, and almost no drone at highway cruising speeds. 10/10 would recommend

        Helpful (0)
      • January 23, 2020

        5 2018 GT - 123Go Installation Time: Shop Install Installation Cost: $100-$250

        Axle Back

        Didn’t install myself actually went to a Shop but they did the work with no Problem I wanted a More Aggressive sound without spending so much money and it came out Perfect. Great Product overall

        Helpful (0)
      • October 03, 2019

        5 2019 GT - Jaybizzie Installation Time: Less than 1 Hour

        Mbrp pro series axle-back

        I was trying to get the mbrp race exhaust but it was out of stock. So I saw the mbrp pro axle-back and bought that instead. After the installation all I could say was wow! I should have just left it alone with the resonator and it would have been ok, but i bought the x-pipe and boy did that make a big difference. I love the tone and the cold start sets off alarms when i start it up.Justin from american muscle gave it a 4 out of 5 but it's more like a 5 out of 5 for waking the neighbors with an x-pipe.

        Helpful (0)
      • August 09, 2019

        5 2019 GT - Frisco Installation Time: Less than 1 Hour

        Love them

        Super easy install! Sounds amazing with stock cats and resonator. Definitely a good buy and the price isn’t crazy so definitely suggest it if you want it louder with no raspy sound at all!

        Helpful (0)
      • August 04, 2019

        5 2018 GT - Joshy195 Installation Time: Less than 1 Hour

        Amazing sound!

        For just what is essentially a muffler delete, I have it on my 2018 Mustang GT. My resonators are still on and the car sounds amazing and doesn’t drone all that much. The black tips look great as well!

        Helpful (0)
      • July 30, 2019

        5 2019 GT - Jessie7 Installation Time: Less than 1 Hour


        The videos don't do justice for this Axle-Back Exhaust. Its loud and sounds very good. I think im going to take it a step further and get an H-pipe.

        Helpful (0)
      • July 04, 2019

        5 2019 GT - Beerent93 Installation Time: Afternoon

        Loud as all get out

        With a resonator delete this thing is sssooo loud. I’m glad I got it and installed it with an Hpype. Looks great and mmmmmaaaannnn the sound is loud

        Helpful (0)
      • June 08, 2019

        4 2018 GT - BPatlan Installation Time: Shop Install Installation Cost: $100-$250


        Made my car look better and extremely loud but I’m happy with it

        Helpful (0)
      • June 03, 2019

        5 2019 GT - Graves Installation Time: Less than 1 Hour

        I love it

        So this is a 2019 Mustang GT black edition. The look is amazing but the sound is incredible. YouTube just doesn’t do it justice of how deep this is. I bought a SR performance X pipe and still have my cats for now. Coming from fox body Mustangs and listening to current 5.0’s this is a bangin 10 out of just deep bass that you feel through you in the car and to about 10 car lengths always as it drives off. The drone is there on the highway and you will pop and rumble as you downshift. I feel it’s deeper than Borla, Corsa and Roush that I heard in person all with X pipes. I do love the Roush sound though. Be warned this set up is very very loud/deep. I love exhaust so I’m good with it but it did surprise me just how raspy this is.

        Helpful (1)
      • May 20, 2019

        5 2018 GT - GTSTANG Installation Time: Less than 1 Hour


        These pipes are great real muscle car sound you can’t go wrong with this product.

        Helpful (0)

      Questions & Answers (5 answers)

      5 Top Rated Questions

      Is this exhaust legal in California. If so, do you think it will surpass the 95 decibel mark?

      • At this time we do not have a decibel reading for this exhaust and cannot confirm legality in CA.

      Helpful (0)

      With a GT350 Rear Valance Diffuser on my 2017 GT, would this then be compatible with the 2017 model?

      • Unfortunately we have not tested this exhaust with the 15-17 Mustang GT models so we would be unable to guarantee fitment.

      Helpful (0)

      I have active exhaust on my 2018 ,Will I be able to install this axle back?

      • Unfortunately this exhaust will not work with 18-19 Mustang GT models that are equipped with active exhaust.

      Helpful (0)

      I have a full 3 inch system now from the headers back. I want to change my axle back to this, but these seem to have 2.5 inch pipes? Would i need a reducer to make these connect to my 3 inch pipes?

      • If this MBRP Black-Series Axle-Back Exhaust was to be paired with your existing 3" exhaust system, you would need a 2.5" reducer in order for them to work with each other. Minor modification and cutting may be required for this kind of application.

      Helpful (0)

      Does this system cause a lot of cabin drone?

      • You will experience some cabin drone with this system but it will not be excessive and will mostly be noticeable at higher speeds.

      Helpful (0)
      Post Your Question

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Black Series Axle-Back Exhaust
      • Hardware
      • Installation Instructions

      Will It Fit My Mustang

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