07-10 Ford Mustang Shelby GT500 5.4L Kooks 11323200 3" x 2-1/2" (OEM) SS Catted X-Pipe

The Kooks 11323200 Catted X-Pipe is designed for the 2007-2010 Ford Mustang Shelby GT500 with the 5.4L engine. Featuring Kooks GREEN Cats for durability and emissions compliance, this high-flow X-pipe boosts horsepower, enhances exhaust sound, and offers easy installation with a direct fit.

Top Features

  • Kooks GREEN Cats rated for 750 RWHP
  • 304 stainless steel construction for durability
  • High-flow X-pipe design for improved performance
  • Aggressive exhaust tone for enhanced sound
  • Direct-fit installation with OEM exhaust

Vehicle Fitment

  • Make: Ford
  • Model: Mustang Shelby GT500
  • Year Range: 2007-2010
  • Engine: 5.4L V8
Vendor: Kooks Headers
SKU: KSH11323200
Availability: (Special Order Item)
$ 1,272.50 USD
On-Sale $ 1,272.50 USD
Normally
Better hurry, only 0 left in stock.

Secure Shopping with Hassle Free Returns

Free Shipping on orders over $149

10 customers are viewing this product
This product is NOT CARB-APPROVED. We cannot ship this item to CA or any Carb regulated states. To avoid cancellation fee, do not order this if you live in California.
UPC: 842422146443
  • More Power Tuning
  • More Power Tuning

Proposition65 Warning: Cancer and Reproductive Harm

07-10 Ford Mustang Shelby GT500 5.4L Kooks 11323200 3" x 2-1/2" (OEM) SS Catted X-Pipe

The Kooks 11323200 3" x 2-1/2" Stainless Steel Catted X-Pipe is the latest evolution in performance exhaust for the 2007-2010 Ford Mustang Shelby GT500 with the 5.4L engine. This upgraded X-pipe now features Kooks GREEN Cats, the premium, EPA-verified catalytic converters designed to handle up to 750 RWHP. Kooks has phased out the standard cats in favor of these durable, high-flow GREEN Cats, ensuring optimal performance and emissions compliance for modern muscle cars.

Built from 304 stainless steel, the Kooks 11323300 X-pipe offers exceptional durability and corrosion resistance. The 3" inlet and 2-1/2" outlet are designed for a direct fit with your factory exhaust, making installation easy and seamless. The high-flow design maximizes exhaust flow, boosting horsepower and torque while delivering a more aggressive exhaust note that complements the powerful Shelby GT500 engine. Whether you’re looking to enhance your vehicle’s performance or simply enjoy a deeper, throatier exhaust sound, this product offers the perfect balance of power, sound, and legal emissions compliance.

Key Features

  • Kooks GREEN Cats for better durability and emissions compliance, rated for up to 750 RWHP.
  • 304 stainless steel construction for optimal strength and rust resistance.
  • High-flow X-pipe design to maximize exhaust flow and improve engine performance.
  • Aggressive exhaust tone for a more powerful and exciting sound.
  • EPA-compliant to meet emissions standards for legal use.
  • Direct-fit for easy, bolt-on installation with OEM exhaust system.

Benefits

  • Improved engine performance with increased horsepower and torque.
  • Enhanced exhaust sound with a deep, aggressive tone that complements the Mustang GT500.
  • Kooks GREEN Cats designed for high-performance applications while maintaining emissions compliance.
  • Durable construction made from 304 stainless steel for long-lasting reliability.
  • EPA verified for street legal use in all 50 states.
  • Backed by Kooks’ limited warranty for peace of mind and product support.
  • Simple installation with a direct-fit design that requires no modifications.

Product Specs

  • Part Number: 11323200
  • Material: 304 stainless steel for corrosion resistance and strength
  • Finish: Polished stainless steel for a sleek look
  • Tubing Diameter: 3" inlet, 2-1/2" outlet (OEM compatible)
  • Shape: X-pipe configuration for optimal exhaust flow
  • Application: Automotive, specifically for 2007-2010 Ford Mustang Shelby GT500 with 5.4L engine

Install Difficulty Level

The Kooks 11323200 Catted X-Pipe features a direct bolt-on design, making installation straightforward and simple. Typically, the process takes 2-3 hours, depending on experience, with no modifications needed to the existing exhaust system. This product is suitable for both DIY enthusiasts and professional installers.

Vehicle Fitment

  • Make: Ford
  • Model: Mustang Shelby GT500
  • Year Range: 2007-2010
  • Engine: 5.4L V8

For any questions or to report inaccuracies in the product description, contact the MPT Performance experts at (407) 636-7077 or by email.

Shipping Policy

MPT is proud to offer free shipping on most orders over $149.

  • Free shipping applies only to the contiguous United States. Shipping and handling charges will apply to orders outside the contiguous US, and the buyer is responsible for any duty fees or taxes their home country may charge to import goods.
  • With free shipping, we will choose the best shipping method for your order. We use all major carriers, including USPS, FedEx, UPS, and DHL.

Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
  • We do not process orders on weekends or observed holidays, which do not count as business days.
  • Physical items that are in stock at MPT and ordered by 4PM EST will be shipped the same day. Orders placed after 4PM EST will be processed on the following business day.

Special Considerations:

  • Items not stocked at our location will follow the same processing times but may experience lead-time delays and could incur additional charges. Shipping methods may vary for these items based on what was paid and the requested delivery speed. If you need an item by a specific deadline, please contact an MPT Expert.
  • SCT Tuner Orders with the Prioritized Order option must have their tune forms submitted by 3PM EST to be completed the same day. Forms submitted after this time will be processed the next business day.
  • Orders will ship to the billing address listed on your order. If paying by credit or debit card, we can only ship to the billing address. Contact an MPT Expert for assistance if you need a different shipping address.

MPT Performance Returns and Refund Policy

  • A Return Authorization Number (RA #) is required for all returns. Please contact an MPT Expert to obtain an RA# before sending anything back.
  • MPT tuning charges and license fees are non-refundable. The sale is final once MPT has sent the tune file via email, which applies to both new tune purchases and tune updates.

Returnable Products:

  • Products (other than MPT Tunes) may be returned within 30 days as long as they have not been installed and are in brand new, unused condition with original packaging. Installed products are non-refundable. MPT reserves the right to deny a return if the product shows signs of installation or damage.
  • Vehicle programmers/tuners that have loaded a tune onto a vehicle cannot be returned.

Refund Amounts:

  • Returns postmarked within 15 days of receipt will be refunded the purchase price minus the shipping cost MPT paid.
  • Returns postmarked between 16 and 30 days will be refunded the purchase price minus a 25% restocking fee and the shipping cost.
  • After 30 days, all sales are final.

Non-Refundable Items:

  • Shipping charges and any package insurance are non-refundable. If free shipping was applied to your purchase, the actual shipping cost will be subtracted from your refund.
  • HP Tuners Credits are non-refundable once they’ve been assigned to a device’s serial number, which occurs either during the purchase or upon completing the tune form.
  • Digital products like SCT Tuner Unlocks, HP Tuners Credits, or MPT Tunes cannot be refunded.
  • Decals/Stickers are non-refundable once received by the customer.
Year Make Model Submodel
2007-2010 Ford Mustang Shelby GT500

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

Related Products

Recently Viewed Products