Use this adapter harness to replace your factory speakers with aftermarket speakers without having to cut the vehicle speaker wiring and connector. Real time saver and also prevents electrical shorts and loose wiring by providing a secure connection. Plastic insulated speaker connection ends to prevent short-outs to the door metal. Includes 2 pairs for four doors- 4 speaker harnesses. The following app guide is from a reliable source but if you want to be sure, double check speaker connections just in case. Might work with more vehicles (usually new models than below list) but we have not verified- if you can email us if you can verify we can add to the list. For Compatible Vehicles: for 2003-2013 Infiniti G25/G35/G37, 2015-2019 Infiniti Q50, 2003-2008 Nissan 350z, 2009-2020 Nissan 370z, 2005-2018 Nissan Altima, 2008-2015 Nissan Armada, 2009-2014 Nissan Cube, 2011-2019 Nissan Frontier, 2011- 2017 Nissan Juke, 2018-2019 Nissan Kicks, 2010-2019 Nissan Maxima, 2009-2019 Nissan Murano, 2013-2019 Nissan Pathfinder, 2011-2016 Nissan Quest, 2008-2018 Nissan Rogue, 2010-2019 Nissan Sentra, 2008-2019 Nissan Titan, 2012-2019 Nissan Versa, 2009-2015 Nissan Xterra