Kooks Headers

Kooks 1-7/8" x 3" Header & Catted X-Pipe Kit — Fits 2011-2014 Ford Mustang GT & Boss 302

Kooks 1-7/8" x 3" Header & Catted X-Pipe Kit — Fits 2011-2014 Ford Mustang GT & Boss 302
Kooks 1-7/8" x 3" Header & Catted X-Pipe Kit — Fits 2011-2014 Ford Mustang GT & Boss 302
Kooks 1-7/8" x 3" Header & Catted X-Pipe Kit — Fits 2011-2014 Ford Mustang GT & Boss 302
Kooks 1-7/8" x 3" Header & Catted X-Pipe Kit — Fits 2011-2014 Ford Mustang GT & Boss 302
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Kooks 1-7/8" x 3" Header & Catted X-Pipe Kit — Fits 2011-2014 Ford Mustang GT & Boss 302Kooks 1-7/8" x 3" Header & Catted X-Pipe Kit — Fits 2011-2014 Ford Mustang GT & Boss 302Kooks 1-7/8" x 3" Header & Catted X-Pipe Kit — Fits 2011-2014 Ford Mustang GT & Boss 302Kooks 1-7/8" x 3" Header & Catted X-Pipe Kit — Fits 2011-2014 Ford Mustang GT & Boss 302
Kooks Headers

Kooks 1-7/8" x 3" Header & Catted X-Pipe Kit — Fits 2011-2014 Ford Mustang GT & Boss 302

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SKU: KSH1141H420
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About Kooks Headers Kooks Headers engineers high-quality automotive parts and ...Read More

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$2,709.99 $3,192.04
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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
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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.

Unleash Aggressive Power with Kooks Mustang Headers

Upgrade your 2011-2014 Ford Mustang GT or Boss 302 with the Kooks 1-7/8" x 3" Header and Catted X-Pipe Kit. This premium exhaust system is engineered for maximum horsepower and torque, ideal for highly modified engines or forced induction applications. Kooks, with over five decades of expertise, delivers handcrafted, American-made performance components that set the standard in the industry.

Advanced Exhaust Technology for Your Mustang

  • Optimal Flow Design: Features larger 1-7/8" primary tubes for enhanced exhaust gas velocity and improved top-end power.
  • Integrated Catted X-Pipe: Includes high-flow catalytic converters for emissions compliance without sacrificing performance.
  • Premium Stainless Steel: Constructed from durable stainless steel, ensuring long-lasting performance and resistance to corrosion.
  • Precision Fitment: Designed for a perfect fit on 2011-2014 Ford Mustang GT and 2012-2013 Boss 302 models, simplifying installation.

Achieve an exhilarating exhaust note and substantial performance gains with this Kooks header and X-pipe kit. Trust GGCRACING for your high-performance Mustang upgrades.

Vehicle Fitment

Years Make Model Trim
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.

Unleash Aggressive Power with Kooks Mustang Headers

Upgrade your 2011-2014 Ford Mustang GT or Boss 302 with the Kooks 1-7/8" x 3" Header and Catted X-Pipe Kit. This premium exhaust system is engineered for maximum horsepower and torque, ideal for highly modified engines or forced induction applications. Kooks, with over five decades of expertise, delivers handcrafted, American-made performance components that set the standard in the industry.

Advanced Exhaust Technology for Your Mustang

  • Optimal Flow Design: Features larger 1-7/8" primary tubes for enhanced exhaust gas velocity and improved top-end power.
  • Integrated Catted X-Pipe: Includes high-flow catalytic converters for emissions compliance without sacrificing performance.
  • Premium Stainless Steel: Constructed from durable stainless steel, ensuring long-lasting performance and resistance to corrosion.
  • Precision Fitment: Designed for a perfect fit on 2011-2014 Ford Mustang GT and 2012-2013 Boss 302 models, simplifying installation.

Achieve an exhilarating exhaust note and substantial performance gains with this Kooks header and X-pipe kit. Trust GGCRACING for your high-performance Mustang upgrades.

Vehicle Fitment

Years Make Model Trim
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.

Unleash Aggressive Power with Kooks Mustang Headers

Upgrade your 2011-2014 Ford Mustang GT or Boss 302 with the Kooks 1-7/8" x 3" Header and Catted X-Pipe Kit. This premium exhaust system is engineered for maximum horsepower and torque, ideal for highly modified engines or forced induction applications. Kooks, with over five decades of expertise, delivers handcrafted, American-made performance components that set the standard in the industry.

Advanced Exhaust Technology for Your Mustang

  • Optimal Flow Design: Features larger 1-7/8" primary tubes for enhanced exhaust gas velocity and improved top-end power.
  • Integrated Catted X-Pipe: Includes high-flow catalytic converters for emissions compliance without sacrificing performance.
  • Premium Stainless Steel: Constructed from durable stainless steel, ensuring long-lasting performance and resistance to corrosion.
  • Precision Fitment: Designed for a perfect fit on 2011-2014 Ford Mustang GT and 2012-2013 Boss 302 models, simplifying installation.

Achieve an exhilarating exhaust note and substantial performance gains with this Kooks header and X-pipe kit. Trust GGCRACING for your high-performance Mustang upgrades.

Vehicle Fitment

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

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