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LTH Muffler Delete Axle-Back Exhuast (15-17 GT)

Market Price $399.99
Our Price

$399.99 (pair)

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  • Item 390798

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    Features, Video & Details

    • Loud Throaty Aggressive Sound
    • Muffler Delete Design
    • Improves Exhaust Flow for More Power
    • 304 Stainless Steel Construction
    • LTH Titan™ Uniform Satin Finish
    • 2.75" Diameter Mandrel-Bent Tubing
    • 4" Slant Cut Exhaust Tips
    • Cut & Clamp Design
    • Fits All 2015-2017 GT Mustangs

    Review & Installation Video

    Review & Install Video

    Hey, guys. Stephanie with with a quick review of the LTH Muffler Delete Axle-Back Exhaust for 2015 and up GT Mustangs and I'm gonna go over the sound, materials, price, and install of this axle-back. This is an axle-back that's gonna be a good option for someone that would like a loud and aggressive sound at a very budget-friendly price. This is a Muffler Delete Axle-Back, so if it was anything other than loud, I would think something's wrong here. This isn't a quiet upgrade, so if you're looking for something tame, I'd say go back to the product page. This axle-back's going to provide a huge change in the S550 GT. It's loud, it's aggressive, and it's throaty. It has a deep tone on start-up and it's got a little bit of a rolling rasp to it as you're going through the RPMs. Since this is a Muffler Delete Axle-Back, I'm going to rate it as a solid four on the loudness scale when compared to other axle-back options. Keep in mind that if you decide to change your mid-pipe or headers down the road, that the sound this thing produces is going to be even louder. This is already a night and day difference in sound and volume even with the factory headers and mid-pipe still installed. So like I said earlier, without a doubt, this axle-back is deeper sounding and more aggressive than the factory exhaust. You can hear that you have an aftermarket axle-back on the car from inside the cabin, but I wouldn't say there's too much drone. So this could be a good option for daily drivers. If you're looking for that aftermarket forceful sound, then this is gonna be a good option for you. This is a full 304 stainless steel axle-back, so it's going to be perfect for all cars, even the dailies that see harsh elements in road salt. The 304 stainless will protect it from corrosion. And another thing that's gonna help protect this thing from corrosion is the Titan satin finish that LTH has added here. LTH puts the product through a process that gives it a bright, uniform satin finish, so you're not gonna see any discolorations from welds or heat, and no scratches in the product either. But the finish is about more than just creating a nice looking exhaust, it strengthens the stainless steel as well. This is a 2 and 3/4 inch axle-back, so it's a bump up from the factory axle-back which is going to help with exhaust flow. But speaking of that, you're really opening up a lot of exhaust flow since you're completely deleting the mufflers here. There'll be no more filtration of the exhaust gasses after the resonator. This is also gonna drop some weight from the S550 as well. And as far as tips go, these are 4-inch slash-cut tips that have the LTH logo blazing on them. LTH does offer this axle-back with black tips as well if you're looking for that type of style, but that version is going to cost a little bit more. When it comes to price, this is going to be one of the more affordable axle-back options that are currently available which is really nice to see from a full stainless steel axle-back. But then again, you have to keep in mind that you are missing a big component with no mufflers. But if you start to consider the prices some of the other options that are out there, coming in at over $1,000, the $400 for this system sounds nice. The black tip version costs about $20 more. You're going to be looking at the typical cut and clamp design with the install for this axle-back, like all other axle-backs. I'm gonna call this a two out of three wrenches on the scale just like all other axle-backs just because of the cutting that's involved. It's nothing difficult, but I would just recommend some eye protection and a fresh blade to make the cutting easier. Overall, you're looking at about two hours to get this done. All right, wrapping this up, this axle-back from LTH is a Muffler Delete Axle-Back, so you can expect a big change in your exhaust tone and node. This is a loud axle-back that's going to provide a lot of volume and a little bit of rasp. It's a full 304 stainless steel system that's easy to install, but it's like other axle-backs in the sense that it does require some cutting. You can check it out more online, right here at

    Loud Throaty Aggressive Sound. A LTH Muffler Delete Axle-Back Exhaust System is especially for those GT owners that want to be heard before being seen. The mild factory exhaust note of the GT Mustang is okay for the daily driver, but not for the performance extremist that wants to broadcast their approach. This LTH Axle-Back features a muffler delete design that will add an extremely loud, aggressive, throaty exhaust note to your Coyote powered Mustang that will definitely get you noticed.

    Power And Performance. A LTH Muffler Delete Axle-Back Exhaust System will not only increase the sound of your 5.0L V8 Mustang, but it will also increase its power and performance as well. By eliminating the restrictive factory mufflers you will increase exhaust flow and reduce back pressure, for a noticeable improvement in rear wheel horse power and torque.

    Stainless Steel Construction. LTH Axle-Back Exhaust systems are proudly manufacture right here in the USA. LTH Muffler Delete Axle-Back's are mandrel bent from 2.75" diameter, 304 stainless steel tubing for excellent exhaust flow and long lasting corrosion resistance. This Muffler Delete System features two massive, 4.0" diameter, slant cut, 304 stainless steel tips for impressive muscle car looks and sound.

    LTH Titan™ Uniform Satin Finish.  Titan™ is LTH's unique proprietary process that produces a bright uniform satin finish over the entire part to eliminate the ugly discoloration from welds, heat, and scratches that are encountered during manufacturing; making it the perfect exhaust finish for high end show cars. Not only does the process create a show quality finish, but it also strengthens the stainless steel to eliminate microscopic sharp edges created during welding that could, if not removed, become tears and cause the product to fail.

    Cut & Clamp Installation. Installation of this LTH Axle-Back Exhaust System will require cutting and removing the factory muffler assemblies and clamping the new muffler assemblies in place. Clamps and installation instructions are provided.

    Application. This LTH Muffler Delete Axle-Back Exhaust System is specifically designed to fit the 2015 to 2017 GT Mustangs equipped with the Coyote 5.0L DOHC V8 engine.

    Please Note. LTH does not make any claims that their Muffler Delete Exhaust will meet any federal or local noise regulations or laws. Please check your local and state ordnances for installation and usage regulations.

    Fitment: 2015 2016 2017 Details

    MPN# FDMD00001T

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Driver Side Muffler Assembly
    • (1) Passenger Side Muffler Assembly
    • (2) Clamps
    • LTH Installation Instructions
    Installation Info
    Tech Specs
    Axle-Back Exhaust Specifications
    Piping Material: 304 Stainless Steel Tip Material : 304 Stainless Steel
    Piping Size: 2.75" Tip Size: 4.0"
    Muffler Type: Muffler Delete Fitment: 2015-2017 GT
    Will it fit my Mustang?

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    Customer Reviews (4) Write a Review

    Overall Rating 4.2

    out of 5 stars

    Installation Time:Afternoon

    Installation Cost:0-$100

    • Loudness / Volume 5 5
    • Exhaust Note 4.666667 4.7
    • Fit & Finish 3.666667 3.7
    • Bang For Your Buck 4 4

    • 4/5

      Installation Time: Less than 1 Hour

      December 21, 2018

      Great sound, alright fit

      Similar issue to another review. The left tip sticks out slightly more than the right. Got it as straight as I can and it’s probably something only I will notice, but it is definitely not a perfect fitment. Sounds great otherwise


      Year: 2015 Submodel: GT

      Helpful (7)

    • 3/5

      Installation Time: Shop Install

      Installation Cost: 0-$100

      May 02, 2018

      Odd fit...

      Sound is phenomenal but my local muffler shop struggled with the fitment. Left axel back was oval shaped and right axel back did not extend out as far as the left one. Next time I will buy axel backs with adjustable tips.


      Year: 2017 Submodel: GT

      Helpful (9)

    • 5/5

      Installation Time: Less than 1 Hour

      August 01, 2017

      Great Sound!

      Really wakes up my GT. It does drone a little bit around 57-60, but everywhere else is pure joy!


      Year: 2015 Submodel: GT

      Helpful (8)

    • 5/5

      August 31, 2016


      I got the muffler delete and it changed how I sounded for sure it sound similar to the gt350 with all the mods I have on it


      Year: 2015 Submodel: GT

      Helpful (8)

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