P.I.E Aux Input Adapter For Honda Connect a portable music player, satellite radio tuner, or DVD player to your factory Honda receiver (Model HON98-AUX) at Crutchfield
Honda K-Series Engine to Nissan 5 Speed Transmission Adapter Kit
Dash Cam Power Adapter (12-Pin Type B) for Select Honda/Acura – Dongar Technologies LLC
Metra 40-HD10 Antenna Adapter Connect a new radio to the factory antenna in select 2005-up Honda and Mazda vehicles — Motorola male to stock antenna female at Crutchfield
Honda EU2000i and EU2000 Companion Parallel Cable/RV Adapter Kit 08E92-HPK2031 - The Home Depot