The Kooks O2 extension harness for 2015 Ford Mustang GT is an 8" front extension with a 6-pin connector intended as a replacement for damaged or lost extensions included in header kits. It restores correct oxygen sensor routing when installing aftermarket headers and maintains OE-style fit. Kooks parts are produced to match kit requirements and are offered to simplify installation and repair.
Kooks 2015+ Ford Mustang GT 02 Sensor Extensions