Filter Filters Pontiac Grand Prix Remove All Filters Price Under $50 (1) $50-$100 (2) $100-$500 (9) Condition New (12) Brand Harmony Audio (9) Kicker (3) Fits Pontiac Grand Prix 2004-2008 OEM Premium Speaker Upgrade Harmony C65 C69... $135.99 Pontiac Grand Prix 1994-2003 OEM Speaker Upgrade Kicker DSC5 DSC693 Package New $169.98 Pontiac Grand Prix 2004-2008 OEM Speaker Upgrade Kicker DSC65 DSC693 Package New $179.98 Pontiac Grand Prix 1988-1993 OEM Speaker Upgrade Kicker DSC46 DSC693 Package New $159.98 Pontiac Grand Prix 1994-2003 OEM Speaker Upgrade Harmony R5 R69 Package New $98.99 (1) Pontiac Grand Prix 1988-1993 OEM Speaker Upgrade Harmony R46 R69 Package New $94.99 Pontiac Grand Prix 2004-2008 OEM Speaker Upgrade Harmony R65 R69 Package New $103.99 Compatible with Pontiac Grand Prix 2004-2008 OEM Speaker Replacement Harmony... $213.99 Compatible with Pontiac Grand Prix 1994-2003 OEM Speaker Replacement Harmony... $228.99 Compatible with Pontiac Grand Prix 2004-2008 OEM Replacement Harmony Premium... $250.99 Compatible with Pontiac Grand Prix 1988-1993 OEM Speaker Replacement Harmony... $224.99 Pontiac Grand Prix 1988-2003 Factory Radio OEM Original Stereo Wire Harness Plug $7.95