Free Shipping On Orders Over $49. Details

Talk to a Mustang Expert
Every day 8:30AM EST - 11:00PM EST
Win 1 of 3 Exhaust Kits! Enter Daily!

Kooks 2 in. x 3 in. Stainless Steel Long Tube Headers (11-14 GT)

Market Price $1,274.99 You Save 12% ($147.09)
Starting At

$1,127.90 (kit)

FREE Shipping

  • Item 398871
  • MPN# 11412600

Local Install Shops

Quoted installation from $125

View 3 Shops

near 19355 (change)

Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.

Will this fit your Vehicle?

In Stock Ships same business day.
Ship to: ASHBURN - 20146
Sorry, please enter a valid US or CA postal code
We're sorry, zip can't be updated at this time.
    Create a list
    Add to New List

    Saved - View your saved items

    We're sorry. We couldn't save this product at this time.

    Features & Details

    • Aggressive Exhaust Note
    • Enhanced Exhaust Flow for an Increased HP & Torque Gains
    • Designed with a Single Exhaust Tube for Multiple Gas Ports for Efficient Gas Emission
    • 304 Grade 2" X 3" Stainless Steel, Mandrel-Bent Tubular Construction for Enhanced Strength and Thermal Resistance
    • High-Performance Chrome Finish Offers Protection Against Oxidation
    • Direct, Bolt-On Replacement Upgrade
    • Recommended for Use with Kooks X-Mid-Pipes for Ultimate Exhaust Performance
    • CARB Non-Compliant – Cannot be Installed or Sold in California
    • Hassle-Free Lifetime Limited Warrant
    • Engineered to Fit All Ford Mustang GT Models Built between 2011 and 2014
    Aggressive Exhaust Note. The sound and performance of the Kooks 2 in. x 3 in. Stainless Steel Long Tube Headers is exceptional once you fine tune the headers to your Mustang GT. It features an integrated venture merge spike that improves savaging and less collection turbulence, and primaries blended for enhanced airflow thereby emitting a crisp roar.

    Improved Power and Performance. Kooks headers utilize only a single exhaust tubes for an easier workload as the motor evacuates gases, thereby enhancing your Mustang' horsepower, torque for maximum acceleration rate.

    Quality Construction. The artistry input into the construction of these headers makes use of high-grade 304 stainless steel that is both lightweight and strong for ultimate strength and high-thermal resistance capacity and can withstand temperatures reaching 1500 degrees.

    Direct, Bolt-On Installation. Kooks engineered their 304 SS headers to be a direct fit replacement upgrade for the stock headers. It requires no further drilling or cutting. Installing it requires only hand-held tools.

    Warranty. Kooks Performance guarantees quality on their headers and offers a Limited Lifetime Warranty for this Long Tube Header.

    Application. The Kooks 2 in. x 3 in. Stainless Steel Long Tube Header is crafted to fit all 2011 – 2014 Mustang GT models.

    Fitment: 2011 2012 2013 2014 Details

    What's in the Box
    • (1) Long Tube Headers
    • (1) Connection Pipe Assembly
    • (4) ARP Bolts
    • (2) Gaskets
    • (2) Clamps
    • (1) 02 Extension
    Installation Info
    Tech Specs
    Will it fit my Mustang?

    You Might Also Like

    Customer Photos

    More Products You Might Like

    Q & A

    No questions about this product yet.

    Ask the First Question

    Customer Reviews (1) Write a Review

    Overall Rating 4

    out of 5 stars

    Installation Time:Afternoon

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

    • 4/5

      Installation Time: Afternoon

      January 13, 2018

      Good product

      Was not too bad of an install best to do if you have a lift


      Year: 2012 Submodel: GT

      Helpful (5)

    Related Mustang Categories