2011-2014 Mustang GT500 w/ Long Tube Headers Kooks 3-Inch to 2.75-Inch GREEN Catted X-Pipe

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  • Regular price $1,903.42

Your GT500 is already a formidable performance machine. Let it reach its true potential with a Kooks GREEN cat X-pipe. Used along with the required Kooks long-tube headers, this combination serves up massive increases in horsepower and torque, and a sound that will make you forget to turn on the stereo.

GreenCats are Kooks ultra high performance green catalytic converters. Kooks specifically designed these Catalytic Converters to meet stringent EPA Federal Emissions Standards. Able to handle exhaust temperatures of up to 1500F, these GreenCats work exceptionally well on both force inducted and naturally aspirated Mustangs. GreenCats have a 90% success rate of eliminating emission related "Check Engine Light" issues.

High-quality T304 stainless steel is mandrel-bent by Kooks to make the smoothest exhaust path possible. This X-Pipe allows you to retain the stock 2 ¾" tailpipe and muffler on your GT500. This X-Pipe is made in the USA and covered under Kook's limited lifetime warranty.


  • 3" Durable Stainless Steel Construction
  • Kooks High-Flow GREEN Cats
  • Connects to 2-3/4" Factory Exhaust
  • Performance, Deep Tone and EPA Certified
  • Works on Applications up to 800 horsepower
  • Withstands Temperatures up to 1500 Degrees
  • Fits 2011-2014 Shelby GT500 Mustangs w/ Kooks Long Tube Headers