Hello everyone I've got a 2022 Maxima it doesn't have a Bose system but you know what it sounds decent but I would like to go through and make it sound really nice with some good low frequency base just something you could be proud of but I want to keep the factory head unit can you guys give me some suggestions please.

 

Kicker 51PTRTP12 sub/amp and Kicker 47KEY200.4

Buy both from Crutchfield.