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Kooks 18-20 Ford Mustang GT O2 Extension Harness

Get the best performance out of your Ford Mustang GT with the Kooks O2 Extension Harness. This 8-inch front extension harness is designed to provide a reliable connection between your oxygen sensor and engine computer, ensuring optimal engine performance.

Kooks Headers and Exhaust has been a leader in the high-performance exhaust industry for over 50 years, with a reputation for producing high-quality products that deliver maximum power and performance.

  • 8-inch front extension harness with 5-pin connector
  • Oxygen sensor extension harnesses included in header kits where needed
  • Replacement for damaged or lost oxygen sensor extensions
Make Model Year Type
Ford Mustang 2018 GT
Ford Mustang 2018 GT Premium
Ford Mustang 2019 Bullitt
Ford Mustang 2019 GT
Ford Mustang 2019 GT Premium
Ford Mustang 2020 Bullitt
Ford Mustang 2020 GT
Ford Mustang 2020 GT Premium
Ford Mustang 2021 GT
Ford Mustang 2021 GT Premium
Ford Mustang 2021 Mach 1
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