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Kooks 3 in. Catted H-Pipe (11-14 GT w/ Long Tube Headers)

Market Price $744.99 You Save 12% ($86.49)
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$658.50 (kit)

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  • Item 398874
  • MPN# 11413500

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Quoted installation from $125

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    Features & Details

    • Increases Airflow to Maximize Power
    • Intimidating Race Car Growl
    • Catted H-Pipe Design
    • Kooks High-Flow Race Catalytic Converters Included
    • 3" Mandrel-Bent Tubing
    • 304 Stainless Steel Fabrication
    • Stainless Steel Finish
    • Intended for Street Use
    • Designed to be Used with Kooks Long Tube Headers
    • Fits 2011-2014 Ford Mustang GT with Long Tube Headers
    Maximize Your Driving Experience. The Kooks 3” Catted H-Pipe is designed to give your Mustang GT more horsepower and torque than any other option on the market. Race and dyno tested, the 3” Catted H-Pipe has proven itself to be a performance enhancement that every muscle car lover needs.

    Get That GT Growl. Every Kooks H-Pipe is designed to satisfy the exact needs of your engine, so you can rest assured that it will be the perfect fit for your Mustang GT, delivering that perfect race car growl you've been searching for. The sound is louder than the typical stock exhaust but doesn't have an obnoxious whine.

    High-Flow Cats Included. With the exhaust, you will also receive the flawless Kooks high-flow race catalytic converters, built with a 400-cell count catalyst for the absolute height of excellence. The Kooks cats are a significant improvement from restrictive, factory cats.

    High-Quality Construction. The Kooks H-Pipe is built from aircraft-quality, mandrel-bent steel. With a classic, stainless steel finish, it will be a sleek addition to your vehicle that won't degrade over time.

    Application. The Kooks Catted H-Pipe is designed for use with any 2011 to 2014 Ford Mustang GT with a 5.0L Coyote engine. Kooks Long Tube Heads are required.

    Important Note. This product is not legal for sale, use, or installation on licensed vehicles in California. This product does not meet CARB compliance.

    Fitment: 2011 2012 2013 2014 Details

    What's in the Box
    • (1) Catted H-Pipe
    • (2) Catalytic Converters
    Installation Info
    Tech Specs
    Will it fit my Mustang?

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    Questions & Answers (2)

    2 Top Rated Questions

    Do i need to run a tune after header and h pipe catted or not catted

    • Yes, you will require a new tune with the addition of long tube headers and a catted/off road mid pipe.

    Helpful (0)

    will these work with Pypes long tube headers

    • The Kooks catted H-pipe is designed to work with all 11-14 GT models equipped with Kooks long tube headers. We cannot guarantee fitment with the Pypes long tube headers as most mid-pipes are usually designed to fit same brand headers only.

    Helpful (0)
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    Customer Reviews (1) Write a Review

    Overall Rating 5

    out of 5 stars

    Installation Time:Less than 1 Hour

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

    • 5/5

      Installation Time: Less than 1 Hour

      February 06, 2018

      paw-paw's red candy

      Perfect fit!!! Sounds awesome!!!! Absolutely love it!!!!


      Year: 2011 Submodel: GT

      Helpful (2)

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