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Dynatech SuperMAXX 3 in. Off-Road X-Pipe (11-14 GT w/ Long Tube Headers)

Market Price $719.99 You Save 44% ($320.00)
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  • Item 394266
  • MPN# 722-74330

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Ship to: Ashburn - 20149
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    Features & Details

    • High-Flow Off-Road X-Pipe
    • Improves Exhaust Flow and Sound
    • Mandrel-Bent Stainless Steel Construction
    • 3" (Header) to 3" (Cat-Back)
    • For Off-Road, Track Use
    • Intended for use with Dynatech Longtube Headers
    • Fits 2011-2014 5.0L V8 GT Models
    Race-Inspired X Pipe. This Dynatech SuperMAXX Off-Road X-Pipe when combined with long tube headers establishes the highest flow possible to get your 2011-2014 Mustang GT ready for the track or drag strip. This exhaust configuration is an ideal option for Mustang racers that want improved performance on the track or drag strip without costly major modifications.

    Durable Construction. Manufactured with superior quality stainless steel material, this Dynatech SuperMAXX Off-Road X-Pipe is durable, rust resistant and will withstand the elements. This Dynatech SuperMAXX Off-Road X-Pipe is backed by a limited lifetime warranty.

    Bolt-on Installation. There are no modifications or drilling required to install this Dynatech SuperMAXX Off-Road X-Pipe that bolts-up to the three-inch long tube headers and fits with a 3” aftermarket exhaust system. All of the necessary mounting hardware and a detailed installation manual is provided.

    Application. This Dynatech SuperMAXX Off-Road X-Pipe is designed for use on 2011-2014 GT Mustangs equipped with Dynatech Longtube Headers and a 3-inch cat-back exhaust.

    Fitment: 2011 2012 2013 2014 Details

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • Off-Road X-Pipe
    Installation Info
    Tech Specs
    Mid Pipe Specifications
    Style Mid Pipe: Shorty "X" Type Headers Required: Long Tube Headers
    Piping Material: Stainless Steel Piping Size: 3"
    Catalytic Converter: "No" - Intended For off-road use Fitment: 2011-2014 GT
    Will it fit my Mustang?

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    Customer Reviews (2) Write a Review

    Overall Rating 5

    out of 5 stars

    Installation Time:Afternoon

    • Loudness / Volume 4.5 4.5
    • Exhaust Note 5 5
    • Fit & Finish 5 5
    • Bang For Your Buck 5 5

    • 5/5

      Installation Time: Full Day

      March 27, 2018

      2011 mustang Gt Dynatech long tubes.

      Very easy install my car has a vmp stage 2 supercharger my has way more power than it did with the stock headers and factory exhaust. Now I can't stay off the throttle my car sounds amazing. It took me about 7 hours to install and remove factory system.


      Year: 2011 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Less than 1 Hour

      June 22, 2017

      A Great X-Pipe at a Super Great Price

      I searched everywhere for the best price on this X-Pipe. I was shocked to discover that AM had this in stock and $100 less than any other supplier. As usual, the fit and finish of Dynatech's exhaust systems are always top-notch. And American Muscle delivered this to my home two days after ordering. I have been an AM customer for many years and will continue for many more.


      Year: 2012 Submodel: GT

      Helpful (4)

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