Just installed some 3 ways into my little mazda 2, Sounds so much better than the mud sounding originals, Head unit is going in today (mexxb100bt) and then most likely a underseat
Top 10 Best Car Competition Subwoofers | AutoGuide.com
Mazda 3 Sedan 2008 - 2013 12inch sub Fibreglass subwoofer box - premium sound | eBay