Filter Filters 911 Remove All Filters Price Under $50 (7) $50-$100 (4) $100-$500 (9) Condition New (20) Brand Harmony Audio (16) Kicker (3) Metra (1) Make Porsche (20) Porsche 911 (997) 2005 2006 2007 2008 2009 2010 2011 2012 Double DIN Stereo... $35.95 Porsche 911 2005-2011 Factory Speaker Replacement Kicker (2) DSC5 Package New $139.98 Compatible with Porsche 911 2005-2011 Factory Speaker Replacement Kicker (2)... $224.99 Compatible with Porsche 911 1973-1997 Factory Speaker Replacement Kicker... $215.99 Compatible with Porsche 911 1973-1997 Factory Speaker Replacement Harmony R46... $180.99 Compatible with Porsche 911 1998-2004 Factory Speaker Replacement Kicker (2)... $224.99 Porsche 911 1973-1997 Factory Speaker Replacement Kicker DSC5 DSC46 Package New $129.98 Porsche 911 1998-2004 Factory Speaker Replacement Kicker (2) DSC5 Package New $139.98 Fits Porsche 911 1973-1997 Rear Side Panel Replacement Harmony HA-C46 Premium... $54.95 Compatible with Porsche 911 2005-2011 Factory Speaker Replacement Harmony (2)... $185.99 Fits Porsche 911 2005-2011 Rear Side Panel Replacement Harmony HA-R5 Speakers $39.95 Porsche 911 1973-1997 Factory Speaker Replacement Harmony R5 R46 Package New $75.99 Porsche 911 2005-2011 Factory Speaker Replacement Harmony (2) R5 Package New $78.99 Compatible with Porsche 911 1998-2004 Factory Speaker Replacement Harmony (2)... $185.99 Fits Porsche 911 1973-1997 Rear Side Panel Replacement Harmony HA-R46 Speakers $34.95 Porsche 911 1998-2004 Factory Speaker Replacement Harmony (2) R5 Package New $78.99 Fits Porsche 911 1998-2004 Rear Side Panel Replacement Harmony HA-R5 Speakers $39.95 Fits Porsche 911 1998-2004 Front Door Replacement Harmony HA-R5 Speakers New $39.95 Fits Porsche 911 1973-1997 Front Door Replacement Harmony HA-R5 Speakers New $39.95 Porsche 911 2002-2012 Factory Stereo to Aftermarket Radio Antenna Adapter Plug $5.95