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Kooks 1-3/4 in. Long Tube Headers w/ Off-Road X-Pipe (07-10 GT500)

Market Price $1,728.61 You Save 19% ($333.21)
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$1,395.40 (kit)

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  • Item 65523
  • MPN#11322200

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    Features & Details

    • Increase Rear Wheel Horsepower and Torque
    • Includes Long Tube Headers w/ Matching Off-Road X-Pipe
    • 304 Stainless Steel Construction
    • For Off-Road, Track Use
    • Free Flowing Mandrel-Bent Tubing
    • Fits 2007-2010 Shelby GT500 Mustangs
    Improve Horsepower And Torque. The Kooks Long Tube Header and Off-road Shorty X-pipe combo kit for the Shelby GT500 Mustang will balance out the exhaust pressure to increase flow over the restrictive stock exhaust system resulting in more horsepower, torque, and better throttle response.

    Quality Construction. Manufactured from 1-3/4" mandrel bent 304 stainless steel tubing Kooks Long Tube Headers are TIG welded for strength, and feature a leak-free ball flange design to fit perfectly into the included 3" diameter 304 stainless steel Shorty X-pipe for excellent exhaust flow and performance.

    Natural Finish. These Kooks Headers feature a natural stainless steel finish, which provides an aggressive appearance to your engine bay. This is not a heat-resistant coating, AmericanMuscle recommends the use of Exhaust Heat Wrap for high performance applications.

    Recommended Upgrade. To realize the full power potential that this Kooks Long Tube Header and X-pipe Kit has to offer, AmericanMuscle recommends a custom tune with a Mustang Handheld Tuner to reprogram the vehicles computer (ECU) for proper operation.

    Application. This Kooks Long Tube Header and matching Off-road shorty X-pipe combo kit is designed specifically for the 2007 to 2010 Shelby GT500 Mustangs.

    Technical Note: This Kooks product is intended for off road use, and is not legal for use in emission restrictive states.

    Fitment: 2007 2008 2009 2010 Details

    CA Residents: Warning: California's Proposition 65

    What's in the Box
    • Kooks Long Tube Headers
    • Kooks off-road shorty X-Pipe
    • Necessary Gaskets
    • O2 Extensions
    Installation Info
    Tech Specs
    Header Specifications
    Header Type: Long Tube Finish: 304 Stainless steel
    Type Mid Pipe Required: Kooks Shorty X Fitment: 2007-2010 Shelby GT500


    Mid Pipe Specifications
    Style Mid Pipe: Shorty "X" Type Headers Required: Kooks Long Tube
    Piping Material: 304 Stainless Steel Piping Size: 3"
    Catalytic Converter: "No" - for off-road use only Fitment: 2007-2010 Shelby GT500
    Will it fit my Mustang?

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    Customer Reviews (2) Write a Review

    Overall Rating 5

    out of 5 stars




    • 5/5

      June 22, 2017

      Fit Finish

      Excellent product and totally noticeable increase in RWHP.

      DavidJohnS

      Year: 2007 Submodel: GT500

      Helpful (4)

    • 5/5

      August 02, 2016

      Amazing quality

      The quality of the headers and the X pipe are amazing! They fit perfectly and sound amazing as well as provide a very decent horse power gain!!

      Am2drag

      Year: 2007 Submodel: GT500

      Helpful (5)

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