Vauxhall Astra : 1991 - 2004. Vauxhall Astra G Van : 1991 - 2004. Vauxhall Zafira : 1999 - 2005. Vauxhall Vectra : 1995 onwards. A: You can certainly use your factory grilles with your new speakers. Pioneer TS-G1720F Car speakers - 6.5" ( 17cm ) Coaxial Speakers 300W.
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