If your JDM vehicle arrived with an OEM / JDM radio head unit then chances are you're unable to dial into FM radio stations above 90 mHz. Plug this FM band expander in between your antenna connection and your CD / Tape / Radio player and it will shift the reception range to North American frequencies like normal.

This unit is especially useful in rare vehicles like the Nissan Figaro where the CD player unit is custom and difficult to replace.