Filter Filters Isuzu I-Mark Remove All Filters Price $50-$100 (1) $100-$500 (2) Condition New (3) Brand Harmony Audio (2) Kicker (1) Isuzu I-Mark: S/XS/RS/LS 85-91 OEM Speaker Upgrade Harmony (2) R4 R5 Package $72.99 Isuzu I-Mark: S/XS/RS/LS 85-91 OEM Speaker Upgrade Kicker (2) DSC4 DSC5 Package $129.98 Compatible with Isuzu I-Mark: S/XS/RS/LS 85-91 OEM Speaker Replacement... $200.99