Metra 40-HD21 Antenna Adapter for Honda Acura

Upgrade your Honda or Acura factory radio to an aftermarket unit with the Metra 40-HD21 Antenna Adapter. This handy adapter is designed to connect your vehicle's existing antenna to a new aftermarket stereo, helping you maintain clear radio reception during your audio system upgrade.

• Compatible with select Honda and Acura vehicles for a straightforward antenna connection.
• Enables use of your factory antenna cable with an aftermarket receiver.
• Simple, practical solution for car audio installations.
• From Metra, a trusted name in mobile audio installation parts.