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Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud to say that all of our products are handcrafted here in the USA and we are proud to still be independently owned and operated. And don't forget, "Get Kookin with KOOKS!"
3in. Stainless Steel H.O. GREEN Catted Connection pipes. Connects Kooks Headers to Kooks Exhaust. DOES NOT CONNECT TO OEM EXHAUST
2015-2024 Ford Mustang GT 5.0L 4V. 3in. Stainless Steel H.O GREEN Catted Front Connection pipes. 3in. 16GA 304 Stainless Steel construction. Ball and socket style connection to Headers. Kooks High Output GREEN Cats feature a 4-1/2in. 300 Cell High Flow Substrate. Does not Include Clamps. Must be used with Kooks Headers and OEM Adapters or Kooks Connection-Back Exhaust. DOES NOT CONNECT TO OEM EXHAUST. Kooks GREEN Cats are suitable for use with forced induction
2015-2024 Ford Mustang GT 5.0L 4V. 3" Stainless Steel High Output GREEN Catted Front Connection pipes. 3" 16GA 304 Stainless Steel construction Ball and socket style connection to HeadersKooks High Output GREEN Cats feature a 4-1/2" 300 Cell High Flow Substrate Does not Include Clamps Requires Kooks Headers and OEM Adapters or KOOKS Connection-Back Exhaust DOES NOT CONNECT TO OEM EXHAUSTKOOKS GREEN Cats are suitable for use with forced induction


  • Kooks Headers And Exhaust Make The Most Power In The Industry

  • Kooks System Are Specifically Designed For Maximum Power

  • Kooks Products Are Made Of T304 Air Craft Quality Steel

  • Limited Lifetime Warranty To Original Purchaser

  • 3 Generations Being Family Owned And Operated

  • Every Kooks Product Is Dyno And Race Tested

  • Kooks Products Fit And Install The Best

  • 100 Percent Manufactured In The USA

Fitment:
Ford Mustang Bullitt 2019 to 2020
Ford Mustang Dark Horse 2024
Ford Mustang Dark Horse Premium 2024
Ford Mustang GT 2015 to 2024
Ford Mustang GT 50 Years Limited Edition 2015
Ford Mustang GT Premium 2015 to 2024
Ford Mustang Mach 1 2021 to 2022
Ford Mustang Shelby GT500 2020 to 2022

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