Kooks 11-14 GT500 5.4L/5.8L 4V 12in - 6 Pin 02 Ext. 2011 She

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!" O2 Extension Harness for 2011-2014 Shebly GT500 1) 12" Extension Harness (6-Pin). (2 pcs required per car) This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions. O2 Extension Harness for 2011-2014 Shebly GT500 1) 12" Extension Harness (6-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. (2 pcs required per car) This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions. O2 Extension Harness for 2011-2014 Shebly GT500 1) 12in. Extension Harness (6-Pin). Oxygen Sensor Extension harnesses are included in Header kits where needed. (2 pcs required per car) This part number should only be ordered as a replacment for damaged or lost Oxygen Sensor Extensions. Fits, Fitments 2011 Ford Mustang Shelby GT500 2012 Ford Mustang Shelby GT500 2013 Ford Mustang Shelby GT500 2014 Ford Mustang Shelby GT500