Kooks OEM Cat-back Exhaust 11404200 — Fits 2011-2014 Ford Mustang GT / Shelby GT500 2.75in x 3in

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SKU: KSH11404200
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About Kooks Headers Kooks Headers engineers high-quality automotive parts and ...Read More

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Sale price$1,482.99 Regular price$1,683.67
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Kooks Headers

Kooks Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Kooks Headers lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Enhance Your Mustang's Roar with Kooks OEM Cat-back Exhaust

Unleash the true potential of your 2011-2014 Ford Mustang GT or Shelby GT500 with the Kooks OEM Cat-back Exhaust system (Part #11404200). Kooks Headers and Exhaust, with over five decades of expertise, delivers a premium exhaust solution designed to optimize exhaust flow and amplify your Mustang's iconic sound. This system features a 2.75-inch to 3-inch stepped design, ensuring efficient gas evacuation and maximizing performance gains for your S197 generation Mustang.

Handcrafted American Quality and Performance

Every Kooks exhaust system is proudly handcrafted in the USA, reflecting a legacy of precision engineering and championship-winning performance. This cat-back exhaust is built with high-quality materials to provide exceptional durability and a perfect fit, integrating seamlessly with your factory components. It's also compatible with the Boss 302 models, offering a versatile upgrade path for various 2011-2014 Mustang enthusiasts. Experience the difference that Kooks' dedication to performance and quality makes. Find your Kooks exhaust system at GGCRACING and elevate your driving experience.

  • 2.75in to 3in Stepped Design
  • Optimized Exhaust Flow
  • Enhanced Engine Sound
  • Premium Quality Construction
  • Handcrafted in the USA
  • Direct Fit for 2011-2014 Mustang GT/GT500

Vehicle Fitment

Years Make Model Trim
2011-2012 Ford Mustang Shelby GT500
2011-2014 Ford Mustang GT
2012-2013 Ford Mustang Boss 302

Product Details

Product Description
Part Numbers
Sizing & Fit

About Kooks Headers

Kooks Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Kooks Headers lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Enhance Your Mustang's Roar with Kooks OEM Cat-back Exhaust

Unleash the true potential of your 2011-2014 Ford Mustang GT or Shelby GT500 with the Kooks OEM Cat-back Exhaust system (Part #11404200). Kooks Headers and Exhaust, with over five decades of expertise, delivers a premium exhaust solution designed to optimize exhaust flow and amplify your Mustang's iconic sound. This system features a 2.75-inch to 3-inch stepped design, ensuring efficient gas evacuation and maximizing performance gains for your S197 generation Mustang.

Handcrafted American Quality and Performance

Every Kooks exhaust system is proudly handcrafted in the USA, reflecting a legacy of precision engineering and championship-winning performance. This cat-back exhaust is built with high-quality materials to provide exceptional durability and a perfect fit, integrating seamlessly with your factory components. It's also compatible with the Boss 302 models, offering a versatile upgrade path for various 2011-2014 Mustang enthusiasts. Experience the difference that Kooks' dedication to performance and quality makes. Find your Kooks exhaust system at GGCRACING and elevate your driving experience.

  • 2.75in to 3in Stepped Design
  • Optimized Exhaust Flow
  • Enhanced Engine Sound
  • Premium Quality Construction
  • Handcrafted in the USA
  • Direct Fit for 2011-2014 Mustang GT/GT500

Vehicle Fitment

Years Make Model Trim
2011-2012 Ford Mustang Shelby GT500
2011-2014 Ford Mustang GT
2012-2013 Ford Mustang Boss 302

Product Details

Product Description

About Kooks Headers

Kooks Headers engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Kooks Headers lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Enhance Your Mustang's Roar with Kooks OEM Cat-back Exhaust

Unleash the true potential of your 2011-2014 Ford Mustang GT or Shelby GT500 with the Kooks OEM Cat-back Exhaust system (Part #11404200). Kooks Headers and Exhaust, with over five decades of expertise, delivers a premium exhaust solution designed to optimize exhaust flow and amplify your Mustang's iconic sound. This system features a 2.75-inch to 3-inch stepped design, ensuring efficient gas evacuation and maximizing performance gains for your S197 generation Mustang.

Handcrafted American Quality and Performance

Every Kooks exhaust system is proudly handcrafted in the USA, reflecting a legacy of precision engineering and championship-winning performance. This cat-back exhaust is built with high-quality materials to provide exceptional durability and a perfect fit, integrating seamlessly with your factory components. It's also compatible with the Boss 302 models, offering a versatile upgrade path for various 2011-2014 Mustang enthusiasts. Experience the difference that Kooks' dedication to performance and quality makes. Find your Kooks exhaust system at GGCRACING and elevate your driving experience.

  • 2.75in to 3in Stepped Design
  • Optimized Exhaust Flow
  • Enhanced Engine Sound
  • Premium Quality Construction
  • Handcrafted in the USA
  • Direct Fit for 2011-2014 Mustang GT/GT500

Vehicle Fitment

Years Make Model Trim
2011-2012 Ford Mustang Shelby GT500
2011-2014 Ford Mustang GT
2012-2013 Ford Mustang Boss 302

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