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Roush Cut and Clamp Resonator Delete X-Pipe (15-20 GT)

Item 394218
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    Features, Video & Details

    • Converts Stock "Resonator" Mid-Pipe to an "X" Pipe
    • Reduces Back Pressure
    • Improves Exhaust Flow
    • Raspy Race Car Growl
    • Stainless Steel Construction
    • Cut and Clamp Installation
    • Reuses Stock Catalytic Converters - Smog Legal
    • 12 lbs. Lighter than the Factory Resonator
    • Fits All 2015-2020 GT Mustangs

    Review & Installation Video

    Review & Install Video

    Hey guys, Stephanie with here with an overview and install of this Roush Cut and Clamp Resonator Delete X-Pipe, available for 2015 and up GT Mustangs. In this video, we're gonna be talking about a few things, including the sound of this X-Pipe and the install. I'll talk more about this later, but the install for this is gonna be a two out of three wrenches since you will need to cut. This Resonator Delete X-Pipe from Roush is going to replace the factory resonator that's restricting to the new GT. It's gonna be a good option for someone that's looking for a stainless steel mid-pipe that's gonna open up a good amount of sound easily and quickly. Swapping out the resonator-style mid pipe for a traditional style mid pipe like this X-Pipe is a way to get around having to purchase an entirely new exhaust system in order to make a big change in the tone of the exhaust. The factory resonator style mid pipe is basically another muffler on the S550 GT, that muffles sound and power. So, by eliminating this muffler or the resonator style mid pipe, and replacing it with a standard type of mid pipe that's free-flowing like this X-Pipe, you're getting rid of a bottleneck. And you can expect a good amount more volume from the exhaust even without changing the factory axle-back or any other components.This X-Pipe does reuse the factory cats, so you're still gonna be smug legal and still pass emissions and get the change in sound that I've talked about. So, that should give you a good idea of just how restrictive the factory mid pipe is. This is stainless steel X-Pipe and material is something that you should always consider when you're shopping for exhaust. So, the material of the mid pipe is really gonna drive the price point. And this X-Pipe being stainless steel, is gonna drive up the price point a touch. But stainless steel does have some upsides to it. This type of material is gonna last much longer and have much better corrosion resistance than other materials like aluminized tubing. If the material and life span aren't something that you're concerned about, or you live on the West Coast or your car isn't a daily, then it may not be a big deal to you.If you're looking for a long-lasting system that can handle the weather, you're better off shopping for something made with this type of material. This is a cut and clamp mid-pipe which means that you cut out and remove your factory resonator and clamp the X-Pipe into place. That's how you are able to reuse your stock cats. But, it also means that you can pair it with your stock mufflers or you can run it with an aftermarket axle-back. So, no matter what axle-back you have, this X-Pipe will work for you and either way, you'll still maintain the use of the stock cats, and you'll still have an improvement in sound.As far as sound goes, this is an X-Pipe and like a typical X-Pipe, you can expect more of a raw spear tone from your exhaust and more volume. If you want more of a deeper note as opposed to the raspy sound, you should stick with an H-Pipe setup instead. And there are a few cut and clamp H-Pipes that are currently available. H-Pipes tend to be a little deeper sounding, while X-Pipes produce a bit more volume with that raspy note. On a scale of one to five, with five being the loudest and keeping in mind that you're still gonna have your stock cats and axle-back, I'd rate this X-Pipe as a two.Of course, if you ever change your axle-back or even your headers for that matter, the X-Pipe is gonna change in sound and volume so, just keep that in mind. Depending on which axle-back you end up going with, you could be looking at more of a three or four on the loudness meter. So, if you don't want a system that's too loud, just keep in mind this mid pipe when you're shopping for other components. Another thing to mention here is that a great side effect of replacing that resonator with an X-Pipe is dropping a good amount of weight. The factory resonator adds some pounds to the S550. So, by replacing it with a simple X-Pipe, you're gonna be dropping about 12 pounds which is just another little plus here. As far as price goes with this X-Pipe, you're looking at spending between $200 and $300 for it. Now, this is one of the more expensive options out there, so there are other X-Pipes that are available in other brands, other materials, and at other price points if you wanna shop around for something else. Either way, swapping your factory resonator out for an aftermarket X-Pipe is a fast and easy way to totally change your exhaust note. As for the install, like the name suggests, there will be some cutting involved but nothing too difficult. Take your time, it's gonna take about two hours to complete maybe less, I'm gonna call it a two out of three wrenches on the difficulty meter, but mainly just because of the cutting that's involved. As usual, a lift would certainly make the install easier and you will need something to cut your exhaust with, so keep that in mind before you start the install. The X-Pipe does come with brand new clamps for the rear, you'll reuse the factory front clamps. But you always have the option of clamping the front and welding in the rear of the pipe if you want, but that's up to you or your shop. A lot of people like welding in the rear better, but that's not something that you have to do.So, wrapping this up here, this is a stainless-steel Resonator Delete X-Pipe that can work with either the factory axle-back or an aftermarket one. It also works with the factory cats and it's gonna create some sound and volume from the GT. It's a great way to inexpensively change your exhaust note and as always, you can check it out more online for yourself. And for all things Mustang, keep it right here at

    Increases Power and Performance. The Roush Resonator Delete-X Pipe Kit replaces the restrictive factory Mid-Pipe Resonator on your Coyote Powered Mustang to reduce back pressure and increase exhaust flow. After installation, you will experience an increase in horsepower, torque and overall engine performance.

    Race Car Growl. Roush's free flowing X-Pipe for the 2015-2020 GT Mustang not only eliminates the factory resonator to help increase power, but it also adds a loud raspy, race car growl to the sound of your exhaust with its modern "X" crossover pipe design.

    Reuses Stock Cats. This Roush Performance X-Pipe requires cutting and removal of the factory id-pipe resonator. Then your Roush replacement simply clamps in place reusing the stock clamps. Best of all, it reuses your original factory catalytic converters, saving you money and keeping you smog legal at the same time.

    Lightweight. The Roush Performance Cut and Clamp X-Pipe is 12 lbs. lighter than the factory mid-pipe resonator. It's perfect for street, track and drag racers who are looking to shed unwanted weight in the pursuit of quicker times.

    Stainless Steel Construction. Manufactured from 2.5" diameter free-flowing mandrel bent stainless steel tubing for its durability and corrosion resistance, this Roush Performance X-Pipe will improve exhaust flow and last a lifetime.

    Warranty. Roush Performance is so confident in the quality and workmanship of their Cut and Clamp Resonator Delete that they back it with a 3-Year Limited Warranty.

    Application. The Roush Performance Cut and Clamp Resonator Delete X-Pipe is specifically designed for use on the 2015-2020 GT Mustangs equipped with the coyote 5.0L DOHC V8 engine, including Fastback and Convertible models.

    Fitment: 2015 2016 2017 2018 2019 2020 Details

    MPN# 422046

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) X-Pipe
    • (2) Band Clamps
    Installation Info
    Tech Specs
    Mid Pipe Specifications
    Style Mid Pipe: "X"Type Headers Required:Shorty Headers or Stock Manifolds
    Piping Material:Stainless SteelPiping Size:2.5"
    Catalytic Converter:Reuses stock Catalytic ConvertersFitment:2015-2017 GT
    Will it fit my Mustang?

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        Questions & Answers (25)

        5 Top Rated Questions

        Will this fit a v6? I see it says GT

        • The Roush Cut and Clamp Resonator Delete X-Pipe is specifically designed for the GT's only. Many enthusiasts have installed this x-pipe on their V6, however, we would not be able to guarantee fitment as was designed for the GT only, by Roush.

        Helpful (3)

        Will this x pipe still pass smog and emissions in california?

        • Since this reuses the factorycats this will be Smog-legal in California yes.

        Helpful (2)

        Hello i recently bought the Roush cut and clamp x pipe and was wondering if any tunning would be required? I also have MBRP's axel backs currently installed i dont know if those would make a difference

        • The Roush Cut and Clamp Resonator Delete X-Pipe will not require any tuning to work at peak performance.

        Helpful (2)

        Would I lose any power adding this? In HP or torque

        • Installing this Roush Cut and Clamp Resonator Delete X-Pipe will reduce back pressure and increase exhaust flow. After installation, you will experience an increase in horsepower, torque.

        Helpful (1)

        How much louder is this with the stock mufflers?

        • The increase will be moderate with consideration of the use of the stock mufflers. This Roush Cut and Clamp Resonator Delete X-Pipe will completely remove those resonators. Sound is subjective so we would recommend listening to a few sound clips of the x-pipe with stock mufflers to ensure this is a sound that meets your desired sound quality.

        Helpful (1)
        10 More Questions
        Will this fit with MagnaFlow axle backs? 0 answer
        With roush exhaust, will the x pipe make it to loud? 0 answer
        I have the MBRP catback which is 3” tubing will this be compatible with it? 1 answer
        Would someone suggest to disconnect the battery before changing this and my axleback? Thanks. 1 answer
        Are the O2 sensors moved to a different location? 1 answer
        How do I know what headers will fit? I want the Corsa 1-7/8 headers. will that fit with my roush x pipe and axle back? 0 answer
        is this able to go on a 2015 v6 mustang? 1 answer
        Is there a top or bottom i should watch for? 1 answer
        Will this void the 2018 warrenty? 1 answer
        Is it 409 Stainless Steel Construction or 304 ? 1 answer

          Customer Reviews (79) Write a Review

          Ratings Summary

          4.9 out of 5 overall rating from 79 customers

          Installation Time: Afternoon

          Installation Cost: $100-$250

          • January 09, 2020

            5 2018 GT - Chipza Installation Time: Afternoon

            Best bang for you buck

            I love it. Changes the tone of the 2018 with stock mufflers for the perfect exhaust note till I change my mufflers ;)

            Helpful (0)
          • December 28, 2019

            5 2019 GT - StangMan19

            Well worth it

            This was the second mod I bought for my 2019 GT Performance Pack, which got installed with less than 500 on the OD. Removing the resonator and putting in this X-pipe with the factory quad exhaust woke up the Mustang making it louder in a good way and removed the back pressure. Buying exhaust systems on this vehicle is way more expensive than on my prior S550, so this was a reasonable shortcut to fixing two issues. 1.) Not Loud enough due to the resonator 2.) Performance drop due to the back pressure steaming from the resonator.

            Helpful (0)
          • December 20, 2019

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

            X pipe (Roush / Stainless)

            This X Pipe is the perfect punctuation mark on my ‘19 GT Premium Convertible. I ordered it with the performance package , magneride , 6 speed , active exhaust, 401a interior , with BandO 12 speaker stereo system , safe and smart package as well . It took 23 minutes to install this X - pipe and it is freaking music to my ears to hear my car accelerate with the top down . The tires seem to spin easier since this install . Although you might out run me , but you won’t out fun me !

            Helpful (0)
          • December 11, 2019

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

            Roush X-Pipe

            The Roush X pipe I ordered was delivered right on time and made my 2019 Mustang GT California Special sound like an absolute beast WITH the active exhaust!

            Helpful (0)
          • November 25, 2019

            5 2017 GT - ibrahimRiyadh Installation Time: Less than 1 Hour


            Easy to install Sound increased by 25 The quality is very high

            Helpful (0)
          • October 22, 2019

            5 2019 GT - Anon777 Installation Time: Less than 1 Hour


            This is incredible. I have the active exhaust so I can keep it quite early in the morning. But once in the road, it’s track mode all the way. The sound is very similar to the Roush axel back mufflers with the same x pipe.

            Helpful (1)
          • September 24, 2019

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

            Great fit. Great Sound.

            My '19 GT came with the active exhaust option, but I wanted more volume. I had debated going with an H-Pipe for the deeper tone, but after hearing a clip on Youtube, I decided to try out the Roush Cut and Clamp X-pipe. I am not disappointed at all. It gave my GT a raspier, more exotic scream, especially at higher RPMs, that left me pleasantly surprised. I look forward to cold starts every morning. I had mine put on professionally since it does involve cutting. $100 well worth it.

            Helpful (1)
          • September 07, 2019

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

            HUGE bump in sound

            I have a 2019 gt w/o active exhaust and was looking for a little more bark out of the exhaust note. After installing the Roush x pipe every day I get complements and everyone is shocked when I tell them it is only a resinator delete.

            Helpful (1)
          • August 29, 2019

            5 2017 GT - Nikko Installation Time: Less than 1 Hour

            Roush x pipe

            I installed the Roush axleback exhaust on my 17 gt and although it sounded good it wasn’t enough!!! I purchased and installed the Roush x pipe and I’m good to go know!!!! It sounds amazing especially in the 3500 to 4500 rpm range screams!!!!!

            Helpful (0)
          • August 19, 2019

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

            All you really need.

            The x pipe is all you need. Even with the factory active exhaust, this thing gets all the love from my neighbors.

            Helpful (0)
          • August 15, 2019

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

            Save weight/great sound

            If you want quality you have to spend a little more. This roush x pipe will not disappoint.

            Helpful (0)
          • August 06, 2019

            5 2018 GT - Duggy

            Sounds good.

            Nearly impossible to do with a jack and stands. Pay a tech $100 to put it on a lift takes 20 minutes.

            Helpful (0)
          • July 29, 2019

            4 2018 GT - Yuri Installation Time: Afternoon

            Higher pitch but just right

            I got this thinking it might be too loud with the stock 18 set up but it turns out just right. The cold starts are great, the growl through the rpm range is sweet too. Did make the exhaust more high pitched overall but just slightly.

            Helpful (1)
          • July 26, 2019

            5 2019 GT - 14OxfordGT Installation Time: Less than 1 Hour

            Great piece!

            This is an excellent choice if you're looking for a bit more sound without over doing it or buying a whole cat-back. Instructions are very easy to follow. Quality, fit and finish are all there.

            Helpful (0)
          • July 19, 2019

            5 2019 GT - 535353 Installation Time: Less than 1 Hour

            Worth every single penny!

            I love my 2019 gt even more than I did before. This simple exhaust mod completely changed the attitude of the mustang. Even if it was double the price it is would be well worth it! So much better to do this first instead of a cold air intake and tune.

            Helpful (0)
          • May 19, 2019

            5 2017 GT - TravisR Installation Time: Less than 1 Hour

            Roush x pipe

            Great sound and easy install. If your car had previous exhaust work the slip on option may not work for you. Exhaust shop can install quickly

            Helpful (1)
          • May 13, 2019

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

            Amazing install

            My 2019 gt cs factory sounded amazing, but had it’s quiet moments. I fought over should I get the Roush x pipe or h for weeks. I just went with my first option and got the x pipe. It woke my car up and I’m extremely satisfied with the results.

            Helpful (0)
          • May 08, 2019

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

            Great purchase

            This was good buy and gave my car the growl i was looking for.

            Helpful (1)
          • May 07, 2019

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

            much better sound

            just put this on my 2018 GT and it makes all the difference in the sound. much better rasp to it. easy to change and i don't have a lift. ramps and jack stand will do it.

            Helpful (1)
          • April 30, 2019

            5 2017 GT - Roushaxleback Installation Time: Afternoon

            Roush x pipe

            Made a lot of difference in my car totally love the way it sounds now

            Helpful (2)

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