I’m looking into purchasing a used 2015 kicker subwoofer for my ’17 base WRX. From research, it looks like the 2015/2016 kicker subwoofers . Subaru set out to find a piece of hardware that would give you a deep rich bass in your 2015 WRX / STI. This unit also assists in clean sound reproduction from . … “2015 Wrx Kicker Upgrade”
