Gen 1 MS3/Mazda 3 Parts (Stealth Sub Box, PAC OEM interface, Grom Bluethooth)
I have some parts for sale off my 2009 Speed3. Parts were used for around 3 years and 40,000 miles.
PAC OEM amp interface (AOEM-MAZ2, allows for sub connection) - $40 shipped
This actually includes RCA and remote...