Filter Filters Mazda RX8 Remove All Filters Price $50-$100 (1) $100-$500 (1) Condition New (2) Brand Harmony Audio (1) Kicker (1) Mazda RX8 2004-2008 Factory Speaker Replacement Harmony (2) R68 Package New $94.99 Mazda RX8 2004-2008 Factory Speaker Replacement Kicker (2) DSC68 Package New $159.98