Lexus NX Anyone replace or add a sub to their NX

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If I decide to put in a 10 or 12 inch powered sub (separate from stock), do you think I will be getting a lot of rattle from the trunk (not plate) if I properly remove plate rattle. Does anyone know if the stock sub in the rear hatch can be replaced and powered by an aftermarket amplifier or recommend any powered sub enclosures. I have been looking at the
1) Alpine PWA-S10V 10" Bassline
2)Rockford Fosgate P300-12 Punch
3)Rockford Fosgate P300-10 Punch
4)Alpine SBR-S8-4 (although I would have to use my own amp)

I always have used diamond audio subs and xtant amps in the past, but just don't want the hassle and cost of taking that route. Want something simple and easy... to add a bit more bass to the 10 speaker system in my NX.
All suggestions and help are greatly appreciated. Thank You