Fitment: for Jeep Grand Cherokee 2002-2019, for Jeep Liberty 2002-2013, for Dodge Durango 2001-2009, for Dodge Durango 2011-2019, for Ram 1500 2011-2019, for Jeep Wrangler 2001-2019, for Jeep Cherokee 2014-2019, for Dodge Charger 2006-2019, for Dodge Dakota 2001-2012, for Chrysler 300 2005-2018. Feture: These extensions are great for custom exhaust, moving the O2 sensor placement, or needing more slack for the O2 sensor wiring. Function: These extensions are suitable for custom exhaust, e headers, direct replacement and super convenient. Easy to Install: These harnesses are a direct plug-and-play extension for the oxygen sensor, it is easy to install. Package Includes: 2 Pcs 12" Oxygen Sensor Extension Harness, 2 Pcs 24" Oxygen Sensor Extension Harness