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Pypes Catted X-Pipe (11-14 GT w/ Long Tube Headers)

Item 20118
Market Price $678.99 You Save 12% ($79.31)
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    Features & Details

    • Balance Out Exhaust Gases for More Power
    • Shorty "X" Design
    • Raspy Race Car Growl
    • High-Flow Catalytic Converters Included
    • 3" 409 Stainless Steel Tubing
    • Fits 2011-2014 GT Mustangs w/ Pypes Long Tube Headers
    Improve Exhaust Flow. Add more horsepower and torque to the rear wheels of your 5.0 Coyote Mustang when you combine a Pypes Catted Shorty X-pipe with their Long Tube headers. The Pypes catted X pipe is designed to work with the long tube headers to balance out exhaust pressure to greatly improve flow over the restrictive factory pipes.

    Race Car Growl. This free flowing Pypes Shorty X-Pipe for the 2011-2014 GT Mustang's not only increases power, but it also adds a loud raspy, race car growl to the sound of your exhaust with its modern "X" crossover mid pipe design.

    Durable Stainless Steel Construction. Manufactured from 3" diameter mandrel bent 16 gauge 409 Stainless Steel tubing for improved exhaust flow, this Pypes x-pipe features two high flow catalytic converters that far out perform the restrictive factory cats to provide a significant increase in horsepower and torque.

    Application. This Pypes catted shorty x-pipe is specifically designed to fit the 2011-2014 5.0L GT Mustangs with Pypes long tube headers installed.

    Fitment: 2011 2012 2013 2014 Details

    MPN# XFM76

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Catted Shorty X-Pipe
    Installation Info
    Tech Specs
    Mid Pipe Specifications
    Style Mid Pipe: Shorty "X" Type Headers Required: Pypes Long Tube
    Piping Material: 409 Stainless Steel Piping Size: 3"
    Catalytic Converter: Yes Fitment: 2011-2014 GT Mustangs
    Will it fit my Mustang?

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        Questions & Answers (7)

        5 Top Rated Questions

        So I do not see an off road x pipe option from pypes on this site for long tubes. Do you sell one that is from pypes ment for their long tubes or is this the only one? Second question if you dont have one will the borla or BBK off road x that is ment for long tubes fit these? Thanks concerned buyer.

        • We do not currently offer an off-road X-pipe from Pypes for the 11-14 Mustangs. For proper fitment and installation, it is recommended to match the long tube header and mid-pipe brands.

        Helpful (0)

        I currently have the pypes off road x-pipe on my car. my car needs emissions. Since these are catted, if I installed these on my car will my car pass emissions?

        • With this Pypes Mid-pipe being catted, this will be safe in most emission controlled states. However, depending on your state/county, your emission restrictions can vary so we recommend consulting your local driving ordinance and restrictions to determine if this is a legal part in your area.

        Helpful (0)

        Will this bolt on/fit Roush axle backs for a 2013 GT

        • This mid-pipe should fit your vehicle without any issues as long as you have long tube headers as well. Being these connect to the resonator pipes and not directly to the mufflers. You can essentially run any axle-back exhaust.

        Helpful (0)

        I am interested in getting Pypes long tube headers with a catted X-pipe. I purchased a set of Pypes axle back pipes 2 years ago. Will the factory piece from the new x-pipe to the axle back piece work or should that also be replaced?

        • The Pypes Catted X-Pipe will install to your OEM over axle pipes leading up to the axle-back.

        Helpful (0)

        Do these have a CARB number for us here in California

        • No

        Helpful (0)
        Post Your Question
        2 More Questions
        Will this work with the O2 censer 2 answers
        is there Welding required i just order the pypes headers and i have the pypes cat back exhaust do you have to weld the x-pipe to the headers? 1 answer

          Customer Reviews (6) Write a Review

          Overall Rating 4.3

          out of 5 stars

          Installation Time:Afternoon

          • Loudness / Volume 4.666667 4.7
          • Exhaust Note 4.5 4.5
          • Fit & Finish 4.166667 4.2
          • Bang For Your Buck 4.333333 4.3

          • 4/5

            Installation Time: Afternoon

            August 19, 2019

            It does its job

            I was expecting a little more when paired up with the long tube headers but It still is a lot better than the stock system for sure. Overall happy with the purchase.


            Year: 2014 Submodel: GT

            Helpful (0)

          • 5/5

            Installation Time: Shop Install

            March 09, 2018


            These paired with the Pypes Long Tube Headers and Pypes Pype-Bomb Super System equal a mean growl from my 2011 Mustang. Pulling out, I get head turns from the sound. Love, love, love!


            Year: 2011 Submodel: GT

            Helpful (11)

          • 5/5

            Installation Time: Full Day

            September 16, 2017


            so much better noise as it makes it growl and the response from other muscle makes me smirk with joy!


            Year: 2014 Submodel: GT

            Helpful (13)

          • 2/5

            Installation Time: Less than 1 Hour

            February 06, 2017

            REALLY GUYS

            So annoying to have that flex in there. After about 1k miles they came loose from the wiggling up and down of the flex and hung low scraping those flex pieces on everything causing a leak. I cut them out and welded in a pipe, now the flange at the collector slides to far and touches the xpipe side causing a really annoying leak. I'm at 50k miles now


            Year: 2014 Submodel: GT

            Helpful (13)

          • 5/5

            Installation Time: Less than 1 Hour

            September 16, 2016


            Great with the rest of the pypes system, headers and super system, just a little to raspy for me to say it's perfect


            Year: 2014 Submodel: GT

            Helpful (13)

          • 5/5

            Installation Time: Less than 1 Hour

            September 16, 2013

            Twice as good as the off road xpipe!

            First I bought the Magnaflow off road xpipe and... Way to loud causing drone in the cabin! I switched to pypes long tube headers and this pypes shorty x with high flow cats. The sound is perfect with my flow master outlaws ! So much better than the off road x.... Torque is unreal!! Don't forget to use your Bama tuner after the install ;)


            Year: 2014 Submodel: GT Calvert County MD

            Helpful (14)

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