Who has installed a sub in their 2015 GT?

:
CX-9
The OEM stereo is fantastic in my Grand Touring, I'm shocked that it can be cranked to the max (60) and it's very loud but crystal clear.

Only thing missing is a bit more bass.

I was thinking about getting the Bose bass sub that fits in the rear storage slot but not sure if it's plug & play.

Can someone educate me on this please, thanks in advance.
 
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