Speaker upgrade - 2015 Mazda3 GS non-Bose 6 speaker system | Page 6 | 2004 to 2020 Mazda 3 Forum and Mazdaspeed 3 Forums
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PowerBass a Pair of S-4102 4X10" OEM Replacement Coaxial with a Pair of S-6502 6.5" OEM Replacement Coaxial Speakers - Creative Audio
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