Porsche Porsche Boxter 1997-2004 Factory Stereo to Aftermarket Radio Harness Adapter $8.95 Porsche Cayenne 2003-2016 Factory Stereo to Aftermarket Radio Antenna Adapter $5.95 Porsche 911 1994-2001 Factory Stereo to Aftermarket Radio Harness Adapter $8.95 Porsche 911 2002-2012 Factory Stereo to Aftermarket Radio Antenna Adapter Plug $5.95 Porsche Boxster 2005-2017 Factory Stereo to Aftermarket Radio Antenna Adapter $5.95 Porsche Panamera 2010-2016 Factory Stereo to Aftermarket Radio Antenna Adapter $5.95