Maintain your favorite factory settings while enjoying high-quality audio with this PAC RadioPro5 RP5-GM11 radio interface, which retains factory BOSE audio settings, as well as Bluetooth in 2009 and later models. An antenna adapter offers flexibility.

PAC - RadioPro5 Radio Interface - Multi

$129.99

Enjoy high-quality audio while maintaining your favorite factory settings with this PAC RadioPro5 RP5-GM31 radio interface, which retains factory Bluetooth in most 2009 and later models and BOSE audio systems. The antenna adapter offers flexibility.

PAC - RadioPro5 Radio Interface - Multi

$129.99

For select vehicles, this interface provides a 12V accessory power output.

Axxess - XSVI 12V Interface for Select Vehicles - Black

$49.99

Quickly install line level input products into your vehicle's stereo system with this differential converter that features a compact outer case that easily mounts to your vehicle

Axxess - 2-Channel Differential Converter - Black

$49.99

Adhere to power standards in countries around the world with this Samsonite 49604-1073 kit that includes a 1600W converter, 4 country-coded adapter plugs, replacement fuses and a pouch for simple power management while you travel.

Samsonite - Converter/Adapter Kit - Red/Black

$19.99

Replace the OEM radio in your GM vehicle without worrying about losing your OnStar features by using this interface.

Axxess - Replacement Interface for Most GM Vehicles - Black

$109.99

Axxess XSVI-6523-NAV Interface Adapter - GPS Navigation System

Axxess - XSVI-6523-NAV Interface Adapter

$99.99

Use this auxiliary RCA input to add an MP3 player to your Alpine Ai-Net radio and get straight enjoying the sound of your favorite MP3s.

Peripheral Electronics - Auxiliary RCA Input for Alpine Ai-Net Radios

$31.99

Axxess XSVI-9005-NAV Interface Adapter - Car Radio, GPS Navigation System

Axxess - Interface Adapter

$59.99

Axxess XSVI-1785-NAV Interface Adapter - Car Radio, GPS Navigation System

Axxess - Interface Adapter

$59.99

Upgrade your vehicle's sound system with an aftermarket radio while retaining full OnStar functionality with this Metra replacement interface harness that is designed for use with select nonamplified GM vehicles that use the GMLAN data bus system.

Axxess - Replacement Interface for Select Nonamplified GM Vehicles - Black

$119.99

Upgrade your Chevrolet Equinox or Pontiac Torrent sound system with this interface that allows you to replace an OEM radio without losing Chimes, OnStar or RAP operation.

Axxess - Interface for 2005-2006 Chevrolet Equinox and Pontiac Torrent Vehicles - Blue

$129.99

Enjoy your favorite MP3 tunes while you crusie with this auxillary RCA input that connects your MP3 player to your factory radio.

Peripheral Electronics - Auxiliary RCA Input for Pioneer P-Bus Radios

$31.99

Enhance your car stereo experience by installing an aftermarket radio with navigation using this handy wiring harness that's designed for 2006-2008 Chevrolet, Pontiac and Saturn vehicles. The harness features a 12-volt, 10-amp switched output and VSS parking-brake and reverse wire outputs.

Axxess - Wiring Interface for 2006-2008 Chevrolet, Pontiac and Saturn Vehicles - Black

$49.99

Designed for select Buick, Cadillac, Chevrolet, GMC, Pontiac, Saturn and Suzuki vehicles, this Metra interface ensures your vehicle's warning chimes continue to play after the original amplified sound system has been removed.

Axxess - Chime Retention Interface for Select Vehicles - Black

$69.99

This interface allows you to upgrade your Chevrolet Equinox or Pontiac Torrent sound system with an aftermarket radio. The custom design includes navigation outputs and allows you to replace an OEM unit while retaining OnStar and RAP operation.

Metra - Interface for Select Chevrolet Equinox and Pontiac Torrent Vehicles - Multi

$129.99

Upgrade your Cadillac CTS or SRX sound system with this interface that allows you to replace an OEM radio without losing Chimes, OnStar or RAP operation.

Axxess - Interface for 2003-2007 Cadillac CTS and SRX Vehicles - Black

$129.99

This interface provides navigation outputs and an ASWC harness to allow installation of an aftermarket radio in select vehicles.

Axxess - Interface Installation Kit for Select 2000 or Later Vehicles - Multi

$49.99

Enhance your vehicle's sound system with an aftermarket radio with this Metra 99-5816 installation kit that's made for use with 2008 - 2011 Ford Focus vehicles. The custom design lets you keep the factory-installed air vents in their original locations.

Metra - Dash Kit for Select 2008-2011 Ford Focus - Multicolor

$49.99

Upgrade your vehicle's radio while retaining Ford Sync system features with this Metra AFSI-02 interface that is designed for use with select Ford vehicles for wide-ranging use.

Axxess - Sync Retention Interface for Select Ford Vehicles - Black

$149.99